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Q.

Complete combustion of 750g of an organic compound provides 420 g of CO2 and 210 g of H2O. Then percentage composition of carbon and hydrogen in organic compound is 15.3 and……. Respectively. (Round off to nearest Integer).

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answer is 3.

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Detailed Solution

Mass of H2O  formed=210gWe know that 18g of H2O produced by 2g of H2210g of H2O=23.33gH2 Mass % of H223.33750×100=3
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