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29 December, 06:26

A solid, pure substance containing just carbon and hydrogen is found to contain 35.8g of carbon and 3.72 g of hydrogen. how many grams of carbon will be in a 4.82 g sample of the solid?

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  1. 29 December, 08:25
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    4.36 g of Carbon

    Solution:

    Step 1: Calculate the %age of Carbon in given Solid as;

    Mass of Carbon = 35.8 g

    Mass of Hydrogen = 3.72

    Total Mass = 35.8 g + 3.72 = 39.52 g

    %age of Carbon = (35.8 g : 39.52 g) * 100

    %age of carbon = 90.58 %

    Step 2: Calculate grams of Carbon in 4.82 g of given solid as;

    Mass of Carbon = 4.82 g * (90.58 : 100)

    Mass of Carbon = 4.36 g
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