of a carbon compound on combustion gave . The percentage of hydrogen is: — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question
Question
$1.2 \text{ g}$ of a carbon compound on combustion gave $1.8 \text{ g } H_2O$. The percentage of hydrogen is:
Answer: A
💡 Solution & Explanation
$\text{Mass of H} = 1.8 \times (2/18) = 0.2 \text{ g}$. <br>$\% H = (0.2 / 1.2) \times 100 \approx 16.66\%$.
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