empirical formula

on analysis a compund was found to contain 39.7 of copper 20.2 of sulphur and 40.20 of oxygen calculate the empirical formula for the compund
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2 Answers

thats bout 40-20-40

so look like Cu2 S O2

Kopper sulfite
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The empirical formula for the compound is CuSO3. Copper (II) trioxosulfite (IV)
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