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6 August, 12:33

X2o3 express you answer as a whole number

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  1. 6 August, 13:11
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    2.40 - 1.68 = 0.72 g of oxigen

    moles = 0.72/16 g/mol=0.045

    moles x = 1.68 / 55.9=0.03

    0.03/0.03 = 1 = x

    0.045 / 0.03 = 1.5 = O

    to get whole numbers multiply by 2

    x2O3

    X2O3 + 3 CO = 2 X + 3 CO2
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