What is the empirical formula of a compound that contains 43.38% sodium, 11.33% carbon, and 45.29% oxygen?

1 Answer
Apr 29, 2016

Na2CO3

Explanation:

First of all divide the percentages with their atomic mass
43.3823=1.89,11.3312=0.94,45.2916=2.83
Now divide every value with the smallest value
1.880.94=2,0.940.94=1,2.830.94=3
put these ratios by their respected elements
so the empirical formula is Na2CO3