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25 April, 09:49

What is the percent mass of C8H10 when 123 g of C8H10 dissolved in 765 g of C6H6? Express your answer to three significant figures.

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  1. 25 April, 12:14
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    13.8%

    Explanation:

    take the 123g and divide it by the total mass which is 123g + 765g

    123/888 =.138

    multiply by 100 for a percentage = 13.8%
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