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23 October, 11:23

Determine the percent composition by mass of the element carbon in the acetamide compound

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  1. 23 October, 15:17
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    The formula of acetamide is C2H5NO

    It contains 2 atoms of carbon

    The atomic mass of carbon is 12; therefore 2 atoms of carbon contains 24 g

    The mass of 1 mole of acetamide is 59.07 g/mol

    Therefore; the percentage of carbon in asetamide will be'

    =24/59.07 * 100

    = 40.63 %
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