Chemistry - Mole Concept Question with Solution | TestHub

ChemistryMole ConceptMiscellaneous/MixedMedium2 minPYQ_2020

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If 0.2 gram of an organic compound containing carbon, hydrogen and oxygen on combustion, yielded 0.147 gram carbon dioxide and 0.12 gram water. What will be the content of oxygen in the substance?

Options:

Answer:

Solution:

$%$ of $C = \frac{12}{44} \times \frac{0.147}{0.2} \times 100 = 20.045%$ $%$ of $H = \frac{2}{18} \times \frac{0.12}{0.2} \times 100 = 6.666%$ $%$ of $O = 100 - (20.045 + 6.666) = 73.29%$

Stream:BITSATSubject:ChemistryTopic:Mole ConceptSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2020

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