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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. \(Cu_{2}O\)
  • B. \(CuO\)
  • C. \(CuO_{2}\)
  • D. \(CuO_{4}\)
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Correct Answer: Option B
Explanation

    Cu   :   O

0.067   :   0.066

mole ratio   \(\frac{0.067}{0.066}\)  :  \(\frac{0.066}{0.066}\)

= 1   :   1

= CuO


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