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25 August, 10:55

How many grams of copper would be produced if 22.0 g of CuO react according to CuO + H2 yield Cu + H2O

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  1. 25 August, 11:16
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    Mass = 19.1 g

    Explanation:

    Given dа ta:

    Mass of CuO = 22.0 g

    Mass of copper formed = ?

    Solution:

    Chemical equation:

    CuO + H₂ → Cu + H₂O

    Number of moles of CuO:

    Number of moles = mass / molar mass

    Number of moles = 22.0 g / 79.545 g/mol

    Number of moles = 0.3 mol

    Now we will compare the moles of CuO with Cu.

    CuO : Cu

    1 : 1

    0.3 : 0.3

    Mass of copper:

    Mass = number of moles * molar mass

    Mass = 0.3 mol * 63.546 g/mol

    Mass = 19.1 g
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