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29 June, 02:08

A compound is isolated from the rind of lemons that is found to be 88.14% carbon and 11.86% hydrogen by mass. 120.0 grams of said compound. What is the empirical formula?

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  1. 29 June, 05:47
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    Answer:CH2

    Explanation:

    Divide their percentages respectively by their atomic masses, take the least significant value to divide others. Eg

    C has 88.14% an atomic mass of 12g/mol,

    Hydrogen has 11.86% with atomic mass of 1g/mol.

    C = 88.14/12=7.345

    H=11.86/1=11.86

    Dividing through by the least number

    C=7.345/7.345=1

    H=11.86/7.345=2

    Empirical formula therefore is CH2
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