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12 June, 14:03

What is the percentage composition for hydrogen in the compound c2h4

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  1. 12 June, 14:13
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    ANS: C = 85.63 %; H = 14.37 %

    C = 2 x 12.01 u = 24.02 u

    H = 4 x 1.008 u = 4.032 u

    TOTAL = 28.052 u

    % C = (24.02/28.052) x 100 % = 85.63 %

    % H = (4.032/28.052) x 100 % = 14.37 %
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