The empirical formula of a compound containing 0.067mol Cu and 0.066mol O is [Cu =

CHEMISTRY

WAEC 2018

The empirical formula of a compound containing 0.067mol Cu and 0.066mol O is [Cu = 63.5, O = 16]

A. Cu₂O
B. CuO
C. CuO₂
D. CuO₄

Correct Answer: B. CuO

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