# What are the units of molar mass?

Oct 26, 2015

$\frac{g}{\text{mol}}$
The molar mass is defined as the mass of $1 m o l$, which is in the $S I$ measured in $\frac{g}{\text{mol}}$.
The molar mass of water ${H}_{2} O$: $M M = 18.016 \frac{g}{\text{mol}}$