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20 April, 09:24

How many grams of hydrogen gas would be needed to form 8.0 grams of water

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  1. 20 April, 11:51
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    N h2o = mh20/Mh20

    = 8.0g/18g/mol

    =0.44 mol

    therefore n O = 0.44mol

    therefore n H2 = 0.88 mol

    m H2 = n H2 * M H2

    = 0.88 mol * 2 g/mol

    =1.76 g
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