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Chemistry · Organic chemistry – some basic principles and techniques
हिन्दीIn Dumas' method, 0.50 g of an organic compound gives 56 mL of nitrogen gas measured at STP. The percentage of nitrogen in the compound is:
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Correct answer · Option D
14.0%
Explanation
\( \%\text{N} = \frac{28 \times V_{\text{STP}} \times 100}{22400 \times m} = \frac{28 \times 56 \times 100}{22400 \times 0.50} = 14.0\% \).
