Molar Volume

Definition

The molar volume of a substance is the volume that one mole of that substance occupies at a specific temperature and pressure.

Related terms

Avogadro's Law:

This law states that equal volumes of all gases, at the same temperature and pressure, contain an equal number of molecules.

Standard Temperature and Pressure (STP):

Standard conditions for measuring the amount of gas - 0 degrees Celsius and 1 atmosphere pressure.

Mole:

The unit used in chemistry to count particles such as atoms, ions or molecules. It is defined as exactly 6.02214076×10²³ particles which may be atoms, molecules, ions or electrons.