Knowledge (XXG)

Amount of substance

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455: 3292: 40: 3337: 1648:"E.R. Cohen, T. Cvitas, J.G. Frey, B. Holmström, K. Kuchitsu, R. Marquardt, I. Mills, F. Pavese, M. Quack, J. Stohner, H.L. Strauss, M. Takami, and A.J. Thor, "Quantities, Units and Symbols in Physical Chemistry", IUPAC Green Book, 3rd Edition, 2nd Printing, IUPAC & RSC Publishing, Cambridge (2008)" 652:
was exactly 1 g/mol. Thus, given the molecular mass or formula mass in daltons, the same number in grams gives an amount very close to one mole of the substance. For example, the average molecular mass of water is about 18.015 Da and the molar mass of water is about 18.015 g/mol. This
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was the first to be discovered of many relationships between the number of atoms or molecules in a system and other physical properties of the system, apart from its mass. However, this was not sufficient to convince all scientists of the existence of atoms and molecules, many considered it simply
259:, and the molar mass of an isotope in grams per mole is approximately equal to the mass number (historically exact for carbon-12 with a molar mass of 12 g/mol). For example, a molecule of water has a mass of about 18.015 daltons on average, whereas a mole of water (which contains 962:
is dissolved in 100 g of water, the amounts of the two substances in the solution will be (20 g)/(58.443 g/mol) = 0.34221 mol and (100 g)/(18.015 g/mol) = 5.5509 mol, respectively; and the molar fraction of
892:(315 g, 6.85 mol) and 0.60 L of water. The amount concentration of ethanol is therefore (6.85 mol of ethanol)/(1 L of vodka) = 6.85 mol/L, not (6.85 mol of ethanol)/(0.60 L of water), which would be 11.4 mol/L. 958:) of a substance in a mixture (such as a solution), which is the number of moles of the compound in one sample of the mixture, divided by the total number of moles of all components. For example, if 20 g of 280:, it is often much more convenient to work with amounts of substances (that is, number of moles or of molecules) than with masses (grams) or volumes (liters). For example, the chemical fact "1 molecule of 380:. The latter may refer to other measurements such as mass or volume, rather than the number of particles. There are proposals to replace "amount of substance" with more easily-distinguishable terms, such as 1107:
The concept of atoms raised the question of their weight. While many were skeptical about the reality of atoms, chemists quickly found atomic weights to be an invaluable tool in expressing stoichiometric
1647: 1371:, the concept of atomic and molecular entities was generally accepted, but many questions remained, not least the size of atoms and their number in a given sample. The concurrent development of 334:
to form 2 moles of water". The same chemical fact, expressed in terms of masses, would be "32 g (1 mole) of oxygen will react with approximately 4.0304 g (2 moles of
2087:(1811). "Essai d'une maniere de determiner les masses relatives des molecules elementaires des corps, et les proportions selon lesquelles elles entrent dans ces combinaisons". 1902: 1772: 1743: 1682: 104: 1897: 1852: 1822: 1767: 1738: 1706: 1677: 1504: 864: 685: 638: 1964: 830: 810: 774: 604: 584: 560: 3021: 2759: 1799: 1461:: Aston receives the Nobel Prize in Chemistry "for his discovery of isotopes in a large number of non-radioactive elements, and for his whole-number rule". 2436: 994:, probably had some notion of amount of substance, but there are no surviving records of any generalization of the idea beyond a set of recipes. In 1758, 1654: 358:. For the same reasons, the concentrations of reagents and products in solution are often specified in moles per liter, rather than grams per liter. 1179:
that all atomic weights are integer multiple of the atomic weight of hydrogen. The hypothesis is later abandoned given the observed atomic weight of
2822: 2428: 2389: 687:. For example, 100 g of water is about 5.551 mol of water. Other methods of determining the amount of substance include the use of the 413:
To avoid ambiguity, the nature of the particles should be specified in any measurement of the amount of substance: thus, a sample of 1 mol
640:. The amount of substance is given as the number of moles in the sample. For most practical purposes, the numerical value of the molar mass in 653:
allows for accurate determination of the amount in moles of a substance by measuring its mass and dividing by the molar mass of the compound:
2782: 1587: 502:, for which the SI unit kilogram per mole or gram per mole may be used. This is about 18.015 g/mol for water, and 55.845 g/mol for 901:, and denote it by the symbol "M" (both following the numeric value). Thus, for example, each liter of a "0.5 molar" or "0.5 M" solution of 938:, which is the mass of the substance of interest divided by the volume of the solution (about 35 g/L for sodium chloride in ocean water). 1455:: Soddy receives the Nobel Prize in Chemistry "for his work on the chemistry of radioactive substances and investigations into isotopes". 1147:
hypothesizes that equal volumes of different gases (at same temperature and pressure) contain equal numbers of particles, now known as
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makes the first estimate of the size of gas molecules and hence of number of molecules in a given volume of gas, now known as the
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in a recipient of a given volume, at a given temperature, is directly related to the number of molecules in the gas (through the
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questioned the idea that mass was the only measure of the quantity of matter, but he did so only in relation to his theories on
1305: 1077:. Richter also notes that, for a given acid, the equivalent mass of the acid is proportional to the mass of oxygen in the base. 2872: 935: 1002:. The development of the concept of amount of substance was coincidental with, and vital to, the birth of modern chemistry. 931:
of the substance of interest in the solution. However, as of May 2007, these terms and symbols are not condoned by IUPAC.
1500: 1375:, starting in 1886, supported the concept of atomic and molecular mass and provided a tool of direct relative measurement. 195: 3369: 3347: 3306: 1389:
dispels any last doubts on the physical reality of atoms, and opens the way for an accurate determination of their mass.
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This technical sense of the term "amount of substance" should not be confused with the general sense of "amount" in the
3374: 3007: 2815: 1087: 1048: 277: 927:) in water contains 0.5 moles of that molecule. By extension, the amount concentration is also commonly called the 255:, is numerically equal (for all practical purposes) to the mass of one molecule or formula unit of the compound, in 2179: 1864: 1137:, stating an integer relationship between the volumes of reactants and products in the chemical reactions of gases. 1431:
receives the Nobel Prize in Chemistry for "his determinations of the atomic weight of a large number of elements".
3204: 2937: 2907: 2132:(1810). "Forsok rorande de bestamda proportioner, havari den oorganiska naturens bestandsdelar finnas forenada". 1428: 1058: 2156:"On the relation between the specific gravities of bodies in their gaseous state and the weights of their atoms" 1090:
generalizes the concept of equivalent weights to all types of chemical reaction, not simply acid–base reactions.
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debates the relation between "physical molecules", "chemical molecules" and atoms, without reaching consensus.
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Account of the Sessions of the International Congress of Chemists in Karlsruhe, on 3, 4, and 5 September 1860
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The denominator is the volume of the solution, not of the solvent. Thus, for example, one liter of standard
2480: 1074: 3340: 2808: 2373: 1468: 1291: 1194: 2719: 2701: 2686: 2637: 346:) hydrogen to make approximately 36.0304 g (2 moles) of water" (and the numbers would depend on the 3321: 2651: 2422: 2357: 1438: 1010: 395:
recommends that "amount of substance" should be used instead of "number of moles", just as the quantity
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of the reagents). In terms of volume, the numbers would depend on the pressure and temperature of the
3064: 2608: 2538: 2510: 2332: 2290: 2160: 1619: 1574: 1396: 1204: 1104:, including a "Table of the relative weights of the ultimate particles of gaseous and other bodies". 78: 1931: 1915: 1785: 1756: 1695: 2973: 2877: 2183: 1134: 812:) of a specific substance (solute in a solution or component of a mixture), divided by the volume ( 753: 649: 519: 355: 149: 85: 2763: 1017:, in which he demonstrates that the proportions of the "base component" and the "acid component" ( 644:
per mole is the same as that of the mean mass of one molecule or formula unit of the substance in
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Traité élémentaire de chimie, présenté dans un ordre nouveau et d'après les découvertes modernes
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per mole for liquid water and 7.092 mL/mol for iron at room temperature. From the
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Historically, the mole was defined as the amount of substance in 12 grams of the
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demonstrates the similarities in behaviour between dilute solutions and ideal gases.
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to be clarified, resolving several ambiguities in the calculation of atomic weights.
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Confusingly, the amount (molar) concentration should also be distinguished from the
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For example, the quotient of the mass of a sample by its amount of substance is its
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in solution, resolving one of the problems in the study of colligative properties.
2186:(1819). "Recherches sur quelques points importants de la Théorie de la Chaleur". 3246: 2922: 2831: 2360: 2114: 2071: 2038: 2012: 1827: 1711: 1632: 1607: 1337: 1211: 1097: 999: 870: 495:
of the substance, usually named by the prefix "molar" or the suffix "per mole".
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Berzelius' first atomic weight measurements were published in Swedish in 1810:
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The Principles of Mathematical Chemistry: The Energetics of Chemical Phenomena
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publishes the first of several tables of atomic weights based on the scale of
722: 707: 539: 511: 499: 463: 17: 2553: 2523: 2344: 2302: 1831:, 2nd ed. (the "Gold Book") (1997). Online corrected version: (2006–) " 1715:, 2nd ed. (the "Gold Book") (1997). Online corrected version: (2006–) " 2596: 2198: 2155: 1876: 1840: 1727: 1319: 1025:
in modern terminology) remain the same during reactions between two neutral
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physical quantity of a homogeneous sample by its amount of substance is an
1326:, a tool subsequently used to establish the masses of atoms and molecules. 3159: 2932: 2882: 1180: 877:(mol/L, equivalent to mol/dm). For example, the amount concentration of 703: 297: 1582:(9th ed.), International Bureau of Weights and Measures, Dec 2022, 3276: 3051: 2897: 1938:. Cambridge, MA: Harvard University Press. pp. 224–33 – via 1410: 1208: 987: 889: 737: 706:
of each chemical element present in it. For example, the molar mass of
351: 347: 66: 2735:"Atomic Weights and the International Committee – A Historical Review" 1252:, in particular that "the chemical decomposing action of a current is 3221: 3194: 3187: 3110: 3100: 2999: 1018: 527: 418: 281: 124: 2655: 1065:(publication of subsequent volumes continues until 1802). The term " 873:, although more practical units are commonly used, such as mole per 3134: 2479:. (Transl. Livingston, J.; Morgan, R.). New York: Wiley. pp.  2378:
Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften Wien
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sampled may be specified using a subscript, e.g., the amount of
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Hand- und Hilfsbuch zur ausfĂĽhrung physiko-chemischer Messungen
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Memoirs of the Literary and Philosophical Society of Manchester
433:) has a mass of about 32 grams, whereas a sample of 1 mol 273:
water molecules) has a total mass of about 18.015 grams.
176: 586:) of a sample of that substance to its amount of substance ( 3174: 1063:
Stoichiometry or the Art of Measuring the Chemical Elements
227:. Sometimes, the amount of substance is referred to as the 1471:, in part for his work in measuring the Avogadro constant. 895:
In chemistry, it is customary to read the unit "mol/L" as
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Intensive and extensive properties § Molar properties
2702:
Presentation Speech for the 1922 Nobel Prize in Chemistry
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Presentation Speech for the 1921 Nobel Prize in Chemistry
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of each component is proportional to its molar fraction.
530:â‹…mol) for water and about 25.10 J/(Kâ‹…mol) for iron. 365:. For example, the pressure of a certain quantity of a 361:
The amount of substance is also a convenient concept in
2720:
Presentation Speech for the 1926 Nobel Prize in Physics
2017:"On the Absorption of Gases by Water and Other Liquids" 1936:
Mikhail Vasil'evich Lomonosov on the Corpuscular Theory
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publishes an independent derivation the following year.
1932:"On the Relation of the Amount of Material and Weight" 698:
The molar mass of a substance depends not only on its
2638:
Statement regarding the 1914 Nobel Prize in Chemistry
2541:(1909). "Mouvement brownien et réalité moléculaire". 2321:"Ueber die Art der Bewegung, welche wir Wärme nennen" 1193:
relating the atomic weight of a solid element to its
838: 818: 798: 762: 659: 648:, as the mole was historically defined such that the 612: 592: 572: 548: 88: 881:
in ocean water is typically about 0.599 mol/L.
3299: 3037: 2956: 2865: 2839: 1903:
Quantities, Units and Symbols in Physical Chemistry
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Quantities, Units and Symbols in Physical Chemistry
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Quantities, Units and Symbols in Physical Chemistry
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Quantities, Units and Symbols in Physical Chemistry
179:, or ion pairs of a specified kind. The particular 77: 65: 53: 32: 3214: 2554:Extract in English, translation by Frederick Soddy 1069:" is used for the first time. The first tables of 858: 824: 804: 768: 679: 632: 598: 578: 554: 98: 48:amount of substance based on 12 grams of carbon-12 1898:International Union of Pure and Applied Chemistry 1853:International Union of Pure and Applied Chemistry 1768:International Union of Pure and Applied Chemistry 1739:International Union of Pure and Applied Chemistry 1678:International Union of Pure and Applied Chemistry 206:. Since 2019, the value of the Avogadro constant 1505:International Committee for Weights and Measures 2241:Philosophical Transactions of the Royal Society 1499:: The mole is recommended for inclusion in the 1254:constant for a constant quantity of electricity 934:This quantity should not be confused with the 748:Amount (molar) concentration (moles per liter) 247:. As a consequence, the mass of one mole of a 3015: 2816: 1795: 1793: 1350:to describe a unit of amount of substance by 869:The standard SI unit of this quantity is mol/ 8: 2760:International Bureau of Weights and Measures 1800:International Bureau of Weights and Measures 1322:in gas discharges, laying the foundation of 399:should not be called "number of kilograms". 2213:(1834). "Puissance motrice de la chaleur". 1965:Grand dictionnaire universel du XIXe siècle 1957: 1955: 1953: 1951: 1949: 3042: 3022: 3008: 3000: 2823: 2809: 2801: 1906:, 2nd edition, Oxford: Blackwell Science. 1776:, 2nd edition, Oxford: Blackwell Science. 1747:, 2nd edition, Oxford: Blackwell Science. 1686:, 2nd edition, Oxford: Blackwell Science. 1481:: Unified atomic mass unit scale based on 752:Another important derived quantity is the 2620: 2571:"The Radio-elements and the Periodic Law" 2522: 1631: 1569: 1567: 1183:(approx. 35.5 relative to hydrogen). 848: 837: 817: 797: 761: 669: 658: 622: 611: 591: 571: 547: 409:Mole_(unit) § Nature_of_the_entities 194:. The unit of amount of substance in the 90: 89: 87: 1601: 1599: 942:Amount (molar) fraction (moles per mole) 453: 330: 323: 315: 3070: 2376:(1865). "Zur Grösse der LuftmolekĂĽle". 2215:Journal de l'École Royale Polytechnique 1563: 2765:The International System of Units (SI) 2656:"The constitution of atmospheric neon" 2420: 506:. Similarly for volume, one gets the 91: 29: 2754: 2752: 2699:Söderbaum, H.G. (December 10, 1922). 2684:Söderbaum, H.G. (December 10, 1921). 2635:Söderbaum, H.G. (November 11, 1915). 562:) of a substance is the ratio of the 7: 2411:Zeitschrift fĂĽr Physikalische Chemie 1236:being a useful tool for calculation. 1100:publishes his first paper on modern 969:0.34221/(0.34221 + 5.5509) = 0.05807 320:)" can also be stated as "1 mole of 2427:: CS1 maint: untitled periodical ( 2044:A New System of Chemical Philosophy 1118:A New System of Chemical Philosophy 792:), defined as the amount in moles ( 3312:International System of Quantities 2601:Proceedings of the Royal Society A 2279:"GrundzĂĽge einer Theorie der Gase" 1828:Compendium of Chemical Terminology 1712:Compendium of Chemical Terminology 1548:International System of Quantities 702:, but also on the distribution of 25: 2771:(8th ed.), pp. 114–15, 1833:amount-of-substance concentration 1576:The International System of Units 1360:: First recorded use of the term 1346:: First recorded use of the term 778:amount of substance concentration 296:) will react with 2 molecules of 3336: 3335: 3290: 2544:Annales de Chimie et de Physique 2189:Annales de Chimie et de Physique 2109:Excerpts from Berzelius' essay: 2063:MĂ©moires de la SociĂ©tĂ© d'Arcueil 1934:. In Leicester, Henry M. (ed.). 1914:. p. 42 (n. 15). 1120:, containing the first table of 1041:Treatise of Elementary Chemistry 740:with the normal isotopic mix is 441:) has a mass of about 16 grams. 312:) to make 2 molecules of water ( 38: 2788:from the original on 2021-06-04 1537:specified elementary entities". 1413:of non-radioactive elements by 1266:derives the ideal gas law from 1043:, introducing the concept of a 235:" in a given sample of matter. 2597:"Rays of positive electricity" 1813:. Retrieved 25 September 2008. 1513:: The mole is approved as the 1336:describes the dissociation of 1061:publishes the first volume of 832:) of the solution or mixture: 1: 2237:"On Electrical Decomposition" 1612:Journal of Chemical Education 1501:International System of Units 1369:turn of the twentieth century 522:, which is about 75.385  276:In chemistry, because of the 196:International System of Units 99:{\displaystyle {\mathsf {N}}} 3307:History of the metric system 721:, whereas the molar mass of 450:Molar quantities (per mole) 167:). The entities are usually 1991:Lavoisier, Antoine (1789). 1653:. p. 4. Archived from 1633:10.1021/acs.jchemed.5b00690 1485:(C) = 12 u adopted by 1088:Law of definite proportions 1049:Law of conservation of mass 990:, and especially the early 974:In a mixture of gases, the 327:will react with 2 moles of 278:law of multiple proportions 187:(NaCl) would be denoted as 27:Extensive physical property 3391: 2733:Holden, Norman E. (2004). 1606:Giunta, Carmen J. (2016). 1228:states the ideal gas law. 1116:: Publication of Dalton's 480: 406: 3330: 3288: 3205:thermodynamic temperature 3050: 3045: 2938:Thermodynamic temperature 2672:10.1080/14786440408636058 2392:February 7, 2006, at the 1354:in a university textbook. 888:contains about 0.40 L of 213:is defined to be exactly 37: 2524:10.1002/andp.19053220806 2462:. Leipzig: W. Engelmann. 2345:10.1002/andp.18571760302 2303:10.1002/andp.18561751008 2059:Gay-Lussac, Joseph Louis 1445:, an updated version of 1403:and estimates its value. 1135:Law of combining volumes 510:, which is about 18.069 474:samples that have equal 231:or, informally, as the " 2739:Chemistry International 2134:Afh. Fys., Kemi Mineral 1877:10.1351/pac199668040957 1841:10.1351/goldbook.A00298 1728:10.1351/goldbook.A00297 1517:of amount of substance. 1051:for chemical reactions. 786:substance concentration 403:Nature of the particles 127:is defined as a ratio ( 123:) in a given sample of 3322:Systems of measurement 2660:Philosophical Magazine 2622:10.1098/rspa.1913.0057 2253:10.1098/rstl.1834.0008 1469:Nobel Prize in Physics 1467:: Perrin receives the 1320:discrete particle rays 1195:specific heat capacity 860: 826: 806: 770: 691:or the measurement of 681: 634: 600: 580: 556: 478: 100: 2717:(December 10, 1926). 2180:Petit, Alexis ThĂ©rèse 2047:. Manchester: London. 1997:. Paris: Chez Cuchet. 1717:amount of substance, 861: 859:{\displaystyle c=n/V} 827: 807: 771: 682: 680:{\displaystyle n=m/M} 635: 633:{\displaystyle M=m/n} 601: 581: 557: 487:The quotient of some 457: 386:stoichiometric amount 101: 2473:Helm, Georg (1897). 2184:Dulong, Pierre-Louis 2161:Annals of Philosophy 1250:Laws of electrolysis 836: 816: 796: 782:amount concentration 760: 742:40.078(4) g/mol 657: 610: 590: 570: 546: 458:A diagram comparing 373:), not to its mass. 348:isotopic composition 86: 3370:Amount of substance 3232:amount of substance 2913:Amount of substance 2878:Molar concentration 2866:Physical quantities 2613:1913RSPSA..89....1T 2515:1905AnP...322..549E 2434:English translation 2387:English translation 2337:1857AnP...176..353C 2295:1856AnP...175..315K 2199:English translation 2098:English translation 2089:Journal de Physique 2072:English translation 1916:Electronic version. 1786:Electronic version. 1757:Electronic version. 1696:Electronic version. 1624:2016JChEd..93..583G 1075:acid–base reactions 1047:and clarifying the 1015:Lessons on Affinity 754:molar concentration 650:molar mass constant 520:molar heat capacity 150:elementary entities 117:amount of substance 33:Amount of substance 3375:SI base quantities 3257:luminous intensity 3031:SI base quantities 2873:Mass concentration 2852:Boltzmann constant 2503:Annalen der Physik 2439:2009-02-18 at the 2325:Annalen der Physik 2283:Annalen der Physik 1928:Lomonosov, Mikhail 1809:2008-08-29 at the 1804:Realising the mole 1553:Quantity of matter 1447:Prout's hypothesis 1296:Loschmidt constant 1282:Karlsruhe Congress 1073:are published for 1071:equivalent weights 936:mass concentration 856: 822: 802: 790:clinical chemistry 766: 677: 630: 596: 576: 552: 493:intensive property 479: 445:Derived quantities 96: 3357: 3356: 3285: 3284: 2997: 2996: 2847:Avogadro constant 2652:Aston, Francis W. 2407:Arrhenius, Svante 1589:978-92-822-2272-0 1443:whole number rule 1401:Avogadro constant 1373:mass spectrometry 1324:mass spectrometry 1216:chemical formulae 1124:(based on H = 1). 996:Mikhail Lomonosov 825:{\displaystyle V} 805:{\displaystyle n} 769:{\displaystyle c} 700:molecular formula 599:{\displaystyle n} 579:{\displaystyle m} 555:{\displaystyle M} 249:chemical compound 245:carbon-12 isotope 202:(symbol: mol), a 158:Avogadro constant 109: 108: 16:(Redirected from 3382: 3339: 3338: 3294: 3293: 3268: 3238: 3216: 3211: 3189: 3184: 3180: 3178: 3170:electric current 3151: 3125: 3121: 3117: 3092: 3043: 3024: 3017: 3010: 3001: 2979:Combined gas law 2974:Gay-Lussac's law 2825: 2818: 2811: 2802: 2796: 2795: 2794: 2793: 2787: 2770: 2756: 2747: 2746: 2730: 2724: 2712: 2706: 2697: 2691: 2682: 2676: 2675: 2648: 2642: 2633: 2627: 2626: 2624: 2589: 2583: 2582: 2567:Soddy, Frederick 2563: 2557: 2552: 2535: 2529: 2528: 2526: 2495:Einstein, Albert 2491: 2485: 2484: 2470: 2464: 2463: 2454:Ostwald, Wilhelm 2450: 2444: 2432: 2426: 2418: 2403: 2397: 2385: 2370: 2364: 2355: 2349: 2348: 2317:Clausius, Rudolf 2313: 2307: 2306: 2271: 2265: 2264: 2233:Faraday, Michael 2229: 2223: 2222: 2211:Clapeyron, Émile 2207: 2201: 2197: 2176: 2170: 2169: 2148: 2142: 2141: 2124: 2118: 2107: 2101: 2096: 2085:Avogadro, Amedeo 2081: 2075: 2070: 2055: 2049: 2048: 2035: 2029: 2028: 2009: 2003: 2002: 1998: 1988: 1982: 1981: 1977: 1959: 1944: 1943: 1940:Internet Archive 1924: 1918: 1895: 1889: 1888: 1865:Pure Appl. Chem. 1861: 1849: 1843: 1820: 1814: 1797: 1788: 1765: 1759: 1736: 1730: 1704: 1698: 1675: 1669: 1668: 1666: 1665: 1659: 1652: 1644: 1638: 1637: 1635: 1603: 1594: 1592: 1581: 1571: 1536: 1534: 1531: 1528: 1191:Dulong–Petit law 1045:chemical element 976:partial pressure 970: 966: 961: 926: 924: 923: 915: 914: 865: 863: 862: 857: 852: 831: 829: 828: 823: 811: 809: 808: 803: 788:, especially in 775: 773: 772: 767: 743: 735: 733: 730: 720: 718: 715: 686: 684: 683: 678: 673: 639: 637: 636: 631: 626: 605: 603: 602: 597: 585: 583: 582: 577: 561: 559: 558: 553: 440: 432: 431: 430: 378:English language 345: 344: 343: 333: 326: 319: 311: 310: 309: 295: 294: 293: 272: 270: 267: 264: 226: 224: 221: 218: 143: 105: 103: 102: 97: 95: 94: 61: 44:Approximately 1 42: 30: 21: 3390: 3389: 3385: 3384: 3383: 3381: 3380: 3379: 3360: 3359: 3358: 3353: 3326: 3295: 3291: 3286: 3267: 3261: 3236: 3209: 3188: I  3182: 3176: 3149: 3123: 3119: 3115: 3090: 3079: 3074: 3066: 3038:Base quantities 3033: 3028: 2998: 2993: 2952: 2948:Specific volume 2928:Particle number 2861: 2835: 2829: 2799: 2791: 2789: 2785: 2779: 2768: 2758: 2757: 2750: 2732: 2731: 2727: 2713: 2709: 2698: 2694: 2683: 2679: 2650: 2649: 2645: 2634: 2630: 2591: 2590: 2586: 2565: 2564: 2560: 2537: 2536: 2532: 2493: 2492: 2488: 2472: 2471: 2467: 2452: 2451: 2447: 2441:Wayback Machine 2419: 2405: 2404: 2400: 2394:Wayback Machine 2372: 2371: 2367: 2356: 2352: 2315: 2314: 2310: 2273: 2272: 2268: 2231: 2230: 2226: 2209: 2208: 2204: 2178: 2177: 2173: 2150: 2149: 2145: 2130:Berzelius, J.J. 2127: 2125: 2121: 2108: 2104: 2083: 2082: 2078: 2057: 2056: 2052: 2037: 2036: 2032: 2011: 2010: 2006: 2000: 1990: 1989: 1985: 1979: 1976:: 868–73. 1866. 1974:Pierre Larousse 1961: 1960: 1947: 1926: 1925: 1921: 1896: 1892: 1859: 1851: 1850: 1846: 1821: 1817: 1811:Wayback Machine 1798: 1791: 1766: 1762: 1737: 1733: 1705: 1701: 1676: 1672: 1663: 1661: 1657: 1650: 1646: 1645: 1641: 1605: 1604: 1597: 1590: 1579: 1573: 1572: 1565: 1561: 1544: 1532: 1529: 1526: 1524: 1409:: Discovery of 1399:coins the name 1387:Brownian motion 1316:Eugen Goldstein 984: 968: 964: 959: 956:amount fraction 944: 922: 919: 918: 917: 913: 910: 909: 908: 906: 879:sodium chloride 834: 833: 814: 813: 794: 793: 776:) (also called 758: 757: 750: 741: 734:(27) g/mol 731: 728: 726: 719:(22) g/mol 716: 713: 711: 693:electric charge 655: 654: 608: 607: 588: 587: 568: 567: 544: 543: 536: 518:, one gets the 485: 452: 447: 438: 429: 426: 425: 424: 422: 411: 405: 342: 339: 338: 337: 335: 332: 328: 325: 321: 317: 313: 308: 305: 304: 303: 301: 292: 289: 288: 287: 285: 268: 265: 262: 260: 241: 233:number of moles 229:chemical amount 222: 219: 216: 214: 212: 193: 185:sodium chloride 166: 142: 128: 84: 83: 59: 56: 49: 28: 23: 22: 15: 12: 11: 5: 3388: 3386: 3378: 3377: 3372: 3362: 3361: 3355: 3354: 3352: 3351: 3344: 3331: 3328: 3327: 3325: 3324: 3319: 3314: 3309: 3303: 3301: 3297: 3296: 3289: 3287: 3283: 3282: 3279: 3274: 3272: 3269: 3265: 3259: 3253: 3252: 3249: 3244: 3242: 3239: 3234: 3228: 3227: 3224: 3219: 3217: 3212: 3207: 3201: 3200: 3197: 3192: 3190: 3185: 3172: 3166: 3165: 3162: 3157: 3155: 3152: 3147: 3141: 3140: 3137: 3132: 3130: 3127: 3113: 3107: 3106: 3103: 3098: 3096: 3093: 3088: 3086:time, duration 3082: 3081: 3076: 3071: 3069: 3062: 3059: 3055: 3054: 3049: 3047: 3041: 3039: 3035: 3034: 3029: 3027: 3026: 3019: 3012: 3004: 2995: 2994: 2992: 2991: 2986: 2984:Avogadro's law 2981: 2976: 2971: 2966: 2960: 2958: 2954: 2953: 2951: 2950: 2945: 2940: 2935: 2930: 2925: 2920: 2915: 2910: 2905: 2900: 2895: 2890: 2885: 2880: 2875: 2869: 2867: 2863: 2862: 2860: 2859: 2854: 2849: 2843: 2841: 2837: 2836: 2830: 2828: 2827: 2820: 2813: 2805: 2798: 2797: 2777: 2748: 2725: 2707: 2692: 2677: 2643: 2628: 2584: 2558: 2530: 2486: 2465: 2445: 2398: 2365: 2350: 2308: 2289:(10): 315–22. 2275:Krönig, August 2266: 2224: 2202: 2171: 2152:Prout, William 2143: 2128:Hisinger, W.; 2119: 2102: 2076: 2050: 2030: 2023:. 2nd Series. 2004: 1983: 1945: 1919: 1890: 1844: 1815: 1789: 1760: 1755:. p. 46. 1731: 1699: 1670: 1639: 1595: 1588: 1562: 1560: 1557: 1556: 1555: 1550: 1543: 1540: 1539: 1538: 1518: 1508: 1494: 1472: 1462: 1456: 1450: 1432: 1422: 1404: 1390: 1376: 1365: 1355: 1341: 1327: 1309: 1299: 1285: 1275: 1268:kinetic theory 1257: 1239: 1238: 1237: 1219: 1205:Mitscherlich's 1198: 1184: 1175:publishes his 1166: 1152: 1149:Avogadro's law 1138: 1125: 1122:atomic weights 1111: 1110: 1109: 1108:relationships. 1091: 1078: 1052: 1030: 983: 980: 948:molar fraction 943: 940: 920: 911: 855: 851: 847: 844: 841: 821: 801: 765: 749: 746: 676: 672: 668: 665: 662: 629: 625: 621: 618: 615: 595: 575: 551: 535: 532: 451: 448: 446: 443: 427: 404: 401: 363:thermodynamics 340: 306: 290: 240: 237: 210: 191: 164: 144:) between the 140: 107: 106: 93: 81: 75: 74: 69: 63: 62: 57: 55:Common symbols 54: 51: 50: 43: 35: 34: 26: 24: 18:Molar quantity 14: 13: 10: 9: 6: 4: 3: 2: 3387: 3376: 3373: 3371: 3368: 3367: 3365: 3350: 3349: 3345: 3343: 3342: 3333: 3332: 3329: 3323: 3320: 3318: 3317:2019 revision 3315: 3313: 3310: 3308: 3305: 3304: 3302: 3298: 3280: 3278: 3275: 3273: 3270: 3264: 3260: 3258: 3255: 3254: 3250: 3248: 3245: 3243: 3240: 3235: 3233: 3230: 3229: 3225: 3223: 3220: 3218: 3213: 3208: 3206: 3203: 3202: 3198: 3196: 3193: 3191: 3186: 3173: 3171: 3168: 3167: 3163: 3161: 3158: 3156: 3153: 3148: 3146: 3143: 3142: 3138: 3136: 3133: 3131: 3128: 3114: 3112: 3109: 3108: 3104: 3102: 3099: 3097: 3094: 3089: 3087: 3084: 3083: 3077: 3072: 3068: 3063: 3060: 3057: 3056: 3053: 3048: 3044: 3040: 3036: 3032: 3025: 3020: 3018: 3013: 3011: 3006: 3005: 3002: 2990: 2989:Ideal gas law 2987: 2985: 2982: 2980: 2977: 2975: 2972: 2970: 2967: 2965: 2964:Charles's law 2962: 2961: 2959: 2955: 2949: 2946: 2944: 2941: 2939: 2936: 2934: 2931: 2929: 2926: 2924: 2921: 2919: 2916: 2914: 2911: 2909: 2908:Mass fraction 2906: 2904: 2903:Mole fraction 2901: 2899: 2896: 2894: 2891: 2889: 2886: 2884: 2881: 2879: 2876: 2874: 2871: 2870: 2868: 2864: 2858: 2855: 2853: 2850: 2848: 2845: 2844: 2842: 2838: 2833: 2826: 2821: 2819: 2814: 2812: 2807: 2806: 2803: 2784: 2780: 2778:92-822-2213-6 2774: 2767: 2766: 2761: 2755: 2753: 2749: 2744: 2740: 2736: 2729: 2726: 2722: 2721: 2716: 2711: 2708: 2704: 2703: 2696: 2693: 2689: 2688: 2681: 2678: 2673: 2669: 2666:(6): 449–55. 2665: 2661: 2657: 2653: 2647: 2644: 2640: 2639: 2632: 2629: 2623: 2618: 2614: 2610: 2607:(607): 1–20. 2606: 2602: 2598: 2594: 2593:Thomson, J.J. 2588: 2585: 2580: 2576: 2575:Chemical News 2572: 2568: 2562: 2559: 2555: 2550: 2546: 2545: 2540: 2534: 2531: 2525: 2520: 2516: 2512: 2509:(8): 549–60. 2508: 2504: 2500: 2496: 2490: 2487: 2482: 2478: 2477: 2469: 2466: 2461: 2460: 2455: 2449: 2446: 2442: 2438: 2435: 2430: 2424: 2416: 2412: 2408: 2402: 2399: 2395: 2391: 2388: 2384:(2): 395–413. 2383: 2379: 2375: 2374:Loschmidt, J. 2369: 2366: 2362: 2359: 2354: 2351: 2346: 2342: 2338: 2334: 2331:(3): 353–79. 2330: 2326: 2322: 2318: 2312: 2309: 2304: 2300: 2296: 2292: 2288: 2284: 2280: 2276: 2270: 2267: 2262: 2258: 2254: 2250: 2246: 2242: 2238: 2234: 2228: 2225: 2221:(23): 153–90. 2220: 2216: 2212: 2206: 2203: 2200: 2195: 2191: 2190: 2185: 2181: 2175: 2172: 2167: 2163: 2162: 2157: 2153: 2147: 2144: 2139: 2135: 2131: 2123: 2120: 2116: 2112: 2106: 2103: 2099: 2094: 2090: 2086: 2080: 2077: 2073: 2068: 2064: 2060: 2054: 2051: 2046: 2045: 2040: 2034: 2031: 2026: 2022: 2018: 2014: 2008: 2005: 1996: 1995: 1987: 1984: 1975: 1971: 1967: 1966: 1958: 1956: 1954: 1952: 1950: 1946: 1941: 1937: 1933: 1929: 1923: 1920: 1917: 1913: 1912:0-632-03583-8 1909: 1905: 1904: 1899: 1894: 1891: 1886: 1882: 1878: 1874: 1870: 1867: 1866: 1858: 1854: 1848: 1845: 1842: 1838: 1834: 1830: 1829: 1824: 1819: 1816: 1812: 1808: 1805: 1801: 1796: 1794: 1790: 1787: 1784:. p. 7. 1783: 1782:0-632-03583-8 1779: 1775: 1774: 1769: 1764: 1761: 1758: 1754: 1753:0-632-03583-8 1750: 1746: 1745: 1740: 1735: 1732: 1729: 1725: 1721: 1720: 1714: 1713: 1708: 1703: 1700: 1697: 1694:. p. 4. 1693: 1692:0-632-03583-8 1689: 1685: 1684: 1679: 1674: 1671: 1660:on 2016-12-20 1656: 1649: 1643: 1640: 1634: 1629: 1625: 1621: 1618:(4): 583–86. 1617: 1613: 1609: 1602: 1600: 1596: 1591: 1585: 1578: 1577: 1570: 1568: 1564: 1558: 1554: 1551: 1549: 1546: 1545: 1541: 1522: 1519: 1516: 1512: 1509: 1506: 1502: 1498: 1495: 1492: 1488: 1484: 1480: 1476: 1473: 1470: 1466: 1463: 1460: 1457: 1454: 1451: 1448: 1444: 1441:proposes the 1440: 1436: 1433: 1430: 1426: 1423: 1420: 1416: 1412: 1408: 1405: 1402: 1398: 1394: 1391: 1388: 1384: 1380: 1377: 1374: 1370: 1366: 1363: 1359: 1356: 1353: 1349: 1345: 1342: 1339: 1335: 1331: 1328: 1325: 1321: 1317: 1313: 1310: 1307: 1303: 1300: 1297: 1293: 1289: 1286: 1283: 1279: 1276: 1273: 1269: 1265: 1261: 1258: 1255: 1251: 1247: 1243: 1240: 1234: 1233:ideal gas law 1230: 1229: 1227: 1223: 1220: 1217: 1213: 1210: 1206: 1202: 1199: 1196: 1192: 1188: 1185: 1182: 1178: 1174: 1170: 1167: 1164: 1160: 1156: 1153: 1150: 1146: 1142: 1139: 1136: 1133: 1129: 1126: 1123: 1119: 1115: 1112: 1106: 1105: 1103: 1102:atomic theory 1099: 1095: 1092: 1089: 1086: 1082: 1079: 1076: 1072: 1068: 1067:stoichiometry 1064: 1060: 1056: 1053: 1050: 1046: 1042: 1038: 1034: 1031: 1028: 1024: 1020: 1016: 1012: 1008: 1005: 1004: 1003: 1001: 997: 993: 992:metallurgists 989: 981: 979: 977: 972: 957: 953: 952:mole fraction 950:(also called 949: 941: 939: 937: 932: 930: 904: 900: 899: 893: 891: 887: 882: 880: 876: 872: 867: 853: 849: 845: 842: 839: 819: 799: 791: 787: 783: 779: 763: 755: 747: 745: 739: 724: 709: 705: 701: 696: 694: 690: 674: 670: 666: 663: 660: 651: 647: 643: 627: 623: 619: 616: 613: 593: 573: 565: 549: 541: 533: 531: 529: 525: 521: 517: 516:heat capacity 513: 509: 505: 501: 496: 494: 490: 484: 477: 473: 469: 465: 461: 456: 449: 444: 442: 436: 420: 416: 410: 402: 400: 398: 394: 389: 387: 383: 379: 374: 372: 371:ideal gas law 368: 364: 359: 357: 353: 349: 299: 283: 279: 274: 258: 254: 250: 246: 238: 236: 234: 230: 209: 205: 201: 197: 190: 186: 182: 178: 174: 170: 163: 159: 155: 151: 147: 139: 135: 131: 126: 122: 118: 114: 82: 80: 76: 73: 70: 68: 64: 58: 52: 47: 41: 36: 31: 19: 3346: 3334: 3262: 3231: 2943:Molar volume 2912: 2857:Gas constant 2790:, retrieved 2764: 2742: 2738: 2728: 2718: 2710: 2700: 2695: 2685: 2680: 2663: 2659: 2646: 2636: 2631: 2604: 2600: 2587: 2578: 2574: 2561: 2548: 2542: 2539:Perrin, Jean 2533: 2506: 2502: 2489: 2475: 2468: 2458: 2448: 2423:cite journal 2414: 2410: 2401: 2381: 2377: 2368: 2353: 2328: 2324: 2311: 2286: 2282: 2269: 2244: 2240: 2227: 2218: 2214: 2205: 2193: 2187: 2174: 2165: 2159: 2146: 2137: 2133: 2122: 2105: 2092: 2088: 2079: 2066: 2062: 2053: 2043: 2039:Dalton, John 2033: 2024: 2020: 2013:Dalton, John 2007: 1993: 1986: 1969: 1963: 1935: 1922: 1901: 1893: 1871:: 957–1000. 1868: 1863: 1847: 1826: 1818: 1771: 1763: 1742: 1734: 1718: 1710: 1702: 1681: 1673: 1662:. Retrieved 1655:the original 1642: 1615: 1611: 1575: 1520: 1515:SI base unit 1510: 1503:(SI) by the 1496: 1482: 1478: 1474: 1464: 1458: 1452: 1434: 1424: 1406: 1392: 1378: 1368: 1361: 1357: 1347: 1343: 1329: 1311: 1301: 1287: 1277: 1259: 1253: 1241: 1221: 1214:allows many 1200: 1186: 1168: 1162: 1154: 1140: 1132:Gay-Lussac's 1127: 1117: 1113: 1093: 1080: 1062: 1054: 1040: 1032: 1014: 1006: 985: 973: 945: 933: 928: 896: 894: 883: 868: 785: 781: 777: 751: 697: 689:molar volume 537: 508:molar volume 497: 486: 464:molar masses 434: 415:of molecules 414: 412: 390: 385: 381: 375: 360: 275: 242: 232: 228: 207: 188: 161: 153: 137: 133: 129: 120: 116: 110: 67:SI unit 2969:Boyle's law 2923:Atomic mass 2715:Oseen, C.W. 2547:. 8 SĂ©rie. 2001:(in French) 1980:(in French) 1364:in English. 1338:electrolyte 1248:states his 1212:isomorphism 1000:gravitation 512:millilitres 437:of oxygen ( 225:10 mol 3364:Categories 2918:Molar mass 2792:2021-12-16 2247:: 77–122. 2196:: 395–413. 1664:2019-05-24 1559:References 1383:Einstein's 1306:van't Hoff 1177:hypothesis 1165:(O) = 100. 1039:publishes 1013:publishes 988:alchemists 723:calcium-42 708:calcium-40 540:molar mass 534:Molar mass 500:molar mass 481:See also: 407:See also: 156:) and the 3065:Dimension 3046:Quantity 2840:Constants 2745:(1): 4–7. 2261:116224057 2168:: 321–30. 2027:: 271–87. 1972:. 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Index

Molar quantity

mol
SI unit
mol
Dimension
chemistry
matter
number
elementary entities
Avogadro constant
molecules
atoms
ions
substance
sodium chloride
International System of Units
mole
base unit
carbon-12 isotope
chemical compound
grams
daltons
law of multiple proportions
oxygen
hydrogen
isotopic composition
reagents
products
thermodynamics

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