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Моларна маса Извори Литература Мени за навигацијуElectronic version.relative molar massпроширитиуу

Масена концентрацијаМоларна концентрацијаМоларитетМасаЗапреминаГустинаМоларна фракцијаМасена фракцијаКоличина супстанцеМоларна масаАтомска масаБрој честицаАвогадров бројПритисакКелвинова температураГасна константаМоларна запреминаСпецифична запремина


Количина супстанцеХемијске особинеМаса


масамолахемијског елементахемијског једињењаугљениковогизотопаАвогадров бројстехиометријских










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Моларна маса




Из Википедије, слободне енциклопедије






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Моларна маса је маса једног мола хемијског елемента или хемијског једињења.[1] 1 mol је количина супстанце која садржи онолико елементарних честица колико има атома у 12 g угљениковог изотопа C12 што је 6,023×1023 Овај број назива се Авогадров број и односи се на елементарне честице (молекуле, атоме или јоне) у 1 molu неке супстанце. Моларна маса је погодна и често употребљавана величина у хемији јер дозвољава лаку конверзију између стехиометријских (моларних) односа представљених хемијском једначином и масених односа, који су значајнији у пракси.[2][3]


Преко моларне масе, могуће је израчунати и број молова супстанце присутних у некој њеној маси, преко релације:


n=mMdisplaystyle n=frac mM

где је n - број молова, m - дата маса, а M - моларна маса дате супстанце.



Извори




  1. ^ Holler, F. James; Skoog, Douglas A.; West, Donald M. (1996). Fundamentals of analytical chemistry. Philadelphia: Saunders College Pub. ISBN 0-03-005938-0. 


  2. ^ International Union of Pure and Applied Chemistry (1993). Quantities, Units and Symbols in Physical Chemistry, 2nd edition, Oxford: Blackwell Science. ISBN 0-632-03583-8. Electronic version.


  3. ^ Međunarodna unija za čistu i primenjenu hemiju. "relative molar mass". Kompendijum Hemijske Terminologije Internet edition.



Литература



  • Holler, F. James; Skoog, Douglas A.; West, Donald M. (1996). Fundamentals of analytical chemistry. Philadelphia: Saunders College Pub. ISBN 0-03-005938-0. 










Преузето из „https://sr.wikipedia.org/w/index.php?title=Моларна_маса&oldid=20753747”










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