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14 February, 14:16

What is the empirical formula of a substance that consists of 85.60% carbon and 14.40% hydrogen?

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  1. 14 February, 15:33
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    assuming you have 100 grams of sample

    85.60gC/molecular weight 12g = 7.13

    14.40gH/molecular weight 1.008g = 14.2857

    divide the larger amount calculated by the smaller 14.2857/7.13 = 2

    so 7.13 means oneC and 14.2857 means twoH

    CH2 ethylene
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