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A mass of a copper oxide weighed 10.00grams. The reaction was run and the amount of just copper obtained was 8.88grams. What is the empirical formula of the compound?

  • Chemistry - ,

    10 g = copper oxide
    8.88 = g Cu
    1.12 = g oxygen

    mols Cu = 8.88/atomic mass Cu
    mols O = 1.12/atomic mass O
    Find the ratio of the atoms to each other. I think you will find it to be Cu2O.

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