# For a compound NaAc, the percent composition is that: 29.28% C, 3.68% H, 39.01% O, and 28.03% Na. What is the empirical formula of this compound?

##### 1 Answer

Apr 5, 2017

#### Explanation:

Convert the percentages to grams. If there were 100 g, each 1 % would equal 1 g.

So,

Then convert the grams to moles

Convert these numbers of moles to mole ratios by dividing all of them by the smallest mole number.

So, the molar ratio is

and the empirical formula is