A sample of 0.125 g of an organic compound when analysed by Duma’s method yields 22.78 mL of nitroge — Practical Organic Chemistry and Purification Chemistry Question

Question

A sample of 0.125 g of an organic compound when analysed by Duma’s method yields 22.78 mL of nitrogen gas collected over KOH solution at 280K and 759 mm Hg. The percentage of nitrogen in the given organic compound is ____. (Nearest integer). (a) The vapour pressure of water at 280 K is 14.2 mm Hg (b) R = 0.082 L atm K mol –1 –1