A 10.0 gram sample of a compound consisting solely of sulfur and oxygen contains 4.00 grams of sulfur. What is the empirical formula of the compound?
Molar mass of sulfur = 32.065
4/32.065 = 0.124
Molar mass of Oxygen = 15.999
6/15.999 = 0.375
0.375/0.124 = 3.02
= SO3
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