1 g of an organic compound on Kjeldhl's analysis gave enough ammonia to neutrilise `29.3 cm^3` of 0.5M `H_2SO_4`. Calculate the percentage of nitrogen in the compound.

During nitrogen estimation of an organic compound by Kjeldahls method, the amimo- nia evolved by 0.5 g of the compound neutralised 10 mL of 1 M H_2 SO_4 . Calculate the percentage of nitrogen in the compound.

0.2475 g of an organic compound gave on combustion 0.4950 g of carbon dioxide and 0.2025 g of water. Calculate the percentage of carbon and hydrogen in it.

Calculate the percentage of nitrogen in NH_3 (Atomic mass of N = 14, H = 1amu)

In the Kjeldahl's method for estimation of nitrogen in a soil sample, ammonia evolved from 0.75 g of sample neutralised 10 ml of 1 M H_(2) SO_(4) . The percentage of nitrogen in the soil is

On complete combustion, 0.246 g of an organic compound gave 0.198 g of CO_2 and 0.1014 g of H_2O . Determine the percentage composition of carbon and hydrogen in the compound.