In Duma's method, 0.3g of an organic compound gave 50mL N2 gas at 300 K and 715 mm Hg. When the aqueous tension is 15mm Hg. The percentage of nitrogen in the compound is

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14.67%

16.76%

17.46%

61.74%

answer is C.

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Detailed Solution

P2V2T2STP=P1V1T1experimentalV2=700×50300×273760=41.9mLN%=V8w=41.98×0.3=17.46%

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