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16 October, 13:48

How many moles are there in a 1.40 kg bottle of water?

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  1. 16 October, 14:17
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    N (H2O) = m/M

    m (H2O) = 1.4 kg = 1400g

    M (H2O) = 2 x 1 + 16 = 18g/mol

    n (H2O) = 1400/18 = 77.8mol
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