# What is the grams in 1.26 * 10^-4 mol of HC_2H_3O_2?

Feb 2, 2016

$0.0075663$ grams of $H {C}_{2} {H}_{3} {O}_{2}$

#### Explanation:

$H {C}_{2} {H}_{3} {O}_{2}$ = $60.05$ g/mol

The number of mols can be expressed by $n$ = $\frac{m}{M}$

We may rearrange this into $m$ = $n \cdot M$

$m$ = $0.000126 \cdot 60.05$
$m$ = $0.0075663$ grams