A mixture of cuprous oxide and cupric oxide was found to "contain 88 % copper. What is the amount of cuprous oxide and cupric oxide in 5  g of the sample of the mixture respectively : [Atomic mass of copper = 64] (a) Cu2 O=0.5  g ; CuO=4.5  g (b) Cu2 O=4.0  g ; CuO=1.0  g (c) Cu2 O=1.0  g ; CuO=4.0  g (d) Cu2 O=4.5  g ; CuO=0.5  g | Numerade
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