Practice question
Question
In the estimation of carbon and hydrogen, 0.27 g of a compound gave 0.792 g of CO₂ and 0.324 g of H₂O. What is the percentage of carbon?
Explanation
Mass of C = (12/44) × 0.792 = 0.216 g. Percentage = (0.216/0.27) × 100 = 80%.
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