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How many grams of water are produced by the complete oxidation of 5.0 of CH4?

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How many grams of water are produced by the complete oxidation of 5.0 of CH4?

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  1. Molar mass of CH4 = 16 g/mol

    Mol = 5 g : 16g/mol = 0.3125 mol

    CH4 + 2O2 → CO2 + 2H2O

    Therefore, mol of H2O = 2 x 0.3125 mol

    = 0.625 mole

    Mass of water = 0.625 mole x 18 g/mol

    = 11.25 grams

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