Complete combustion of of an organic compound provides of and of . The composition of and in the organic compound is and (nearest Integer).

Question

Complete combustion of  of an organic compound provides  of  and  of . The  composition of  and  in the organic compound is  and  (nearest Integer).

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Strategy:
 In combustion, all Carbon in the sample is converted to  and all Hydrogen to . Calculate the mass of C and H from the product masses to find their weight percentages in the original 750g sample.

Step 1: Find mass of Carbon
Mass of .

Step 2: Find mass of Hydrogen
Mass of .

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