Tuesday, January 7, 2020
What Is Molar Volume Chemistry Definition
Molar volume is the volume of one mole of a substance at a specified pressure and temperature. It is commonly denoted by the symbol Vm. Units The SI unit of molar volume is cubic meters per mole (m3/mol). However, because that is such a large volume, other units are usually used. Cubic centimeters per mole (cm3/mol) is used for solids and liquids. Cubic decimeters per mole (dm3/mol) may be used for gases. Formula Molar volume is calculated as molar mass (M) divided by mass density (Ã ): Vm M / Ã Example The molar volume of an ideal gas at STP is 22.4 L/mol.
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