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28 March, 06:26

How many grams of CaC2 would make 23.6g C2H2?

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  1. 28 March, 09:51
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    CaC2 + 2 H2O = C2H2 + Ca (OH) 2

    moles CaC2 = 485 g/64.1 g/mol=7.57

    moles H2O = 2 x 7.57 = 15.1

    mass H2O = 15.1 mol x 18.02 g/mol=272.8 g

    moles C2H2 = 23.6 / 26.038 g/mol=0.906

    moles CaC2 = 0.906

    mass CaC2 = 0.906 x 64.1 = 58.1 g

    moles Ca (OH) 2 = 55.3 / 74.092 = 0.760

    moles H2O = 2 x 0.760 = 1.52

    mass water = 18.02 x 1.52 = 27.4 g
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