In Dumas’ method for estimation of nitrogen 1 g of an organic compound gave 150 mL of nitrogen collected at 300 K temperature and 900 mm Hg pressure. The percentage composition of nitrogen in the comp

Question

In Dumas’ method for estimation of nitrogen 1 g of an organic compound gave 150 mL of nitrogen collected at 300 K temperature and 900 mm Hg pressure. The percentage composition of nitrogen in the compound is ________________% (nearest integer) (Aqueous tension at 300 K = 15 mm Hg)

Prashant Kotian · Accepted Answer

Correct answer: .. %N = 300 150 273      × 100 = 20

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