# What is the gram formula mass of Na_2CO_3 * 10H_2O?

Feb 22, 2016

Formula mass for sodium carbonate decahydrate?

#### Explanation:

This is the sum of the constituent atomic masses:

$\left(2 \times 22.99 + 12.011 + 13 \times 15.999 + 20 \times 1.00794\right)$ $g$ $m o {l}^{-} 1$.