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abstraction > mathematical concept > unit > amount of substance unit

amount of substance unit
subject			fact

amount of substance unit	is a unit of amount of substance
	is a kind of unit
unit	has historical origin
	represents

Kinds of amount of substance unit :

• mole (8 facts) (mol) - The SI unit of the amount of substance, defined as the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilograms of carbon 12. One mole, which is equal to gram multiplied by the molecular weight, contains 6.02 × 10²³ molecules (see Avogadro's number). In general, 1 mole of any gas occupies a volume of 22.4 liters., amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12