The ammonia evolved from the treatment of 0.30 g of an organic compound for the estimation of nitrogen was passed in 100 mL of 0.1 M sulphuric acid. The excess of acid required 20 mL of 0.5 M sodium h

Question

The ammonia evolved from the treatment of 0.30 g of an organic compound for the estimation of nitrogen was passed in 100 mL of 0.1 M sulphuric acid. The excess of acid required 20 mL of 0.5 M sodium hydroxide solution for complete neutralization. The percentage nitrogen in the organic compound is

TestHub · Accepted Answer

Equivalents of NH 3 evolved = 1 0 0 × 0 · 1 × 2 1 0 0 0 - 2 0 × 0 · 5 1 0 0 0 = 1 1 0 0 Percent of nitrogen in the unknown organic compound = 1 1 0 0 × 1 4 0. 3 × 1 0 0 = 4 6 . 6

Chemistry - Salt Analysis Question with Solution | TestHub

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