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0.378 g of an organic acid gave on combu...

0.378 g of an organic acid gave on combustion 0.264 g of carbon dioxide and 0.162 g of water vapour . Calculate the percentage of C and H.

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To calculate the percentage of carbon (C) and hydrogen (H) in the given organic acid, we can follow these steps: ### Step 1: Calculate the mass of carbon from carbon dioxide (CO₂) 1. **Given**: Mass of carbon dioxide (CO₂) = 0.264 g 2. **Molar mass of CO₂**: 44 g/mol (12 g/mol for C + 32 g/mol for O) 3. **Mass of carbon in CO₂**: \[ ...
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Knowledge Check

  • 0.29 g of an organic compound on combustion gave 0.66 g of CO_2 and 0.27 g of H_2 O . The percentage of carbon and hydrogen in the given compound respectively are

    A
    `10.3, 62.1`
    B
    `44.6, 10.7`
    C
    `62.1, 10.3`
    D
    `10.7, 44.6`