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22 May, 19:21

How many oxygen atoms are present in 23.6 grams of aspartame?

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  1. 22 May, 19:40
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    The formula of aspartame is C14H18N2O5.

    From the periodic table:

    molecular mass of hydrogen = 1 grams

    molecular mass of carbon = 12 grams

    molecular mass of nitrogen = 14 grams

    molecular mass of oxygen = 16 grams

    This means that:

    molar mass of aspartame = 14 (12) + 18 (1) + 2 (14) + 5 (16) = 294 grams

    Therefore, each 294 grams of aspartame contains 5 (16) = 80 grams of oxygen. To know number of grams of oxygen in 23.6 grams of aspartame, simply use cross multiplication as follows:

    mass of oxygen = (23.6x80) / 294 = 6.42 grams
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