Average Molar Mass

Definition

Average molar mass refers to the weighted average mass (in grams per mole) calculated using the molar masses and percent abundances for different isotopes present in a sample.

Related terms

Mass Spectrometry: A technique used to determine the masses and abundances of isotopes in a sample.

Empirical Formula:

The simplest ratio of elements present in a compound.

Molecular Formula:

The actual number of atoms of each element in a molecule.