Question

In the estimation of dumas method 1.18 gram of an organic compound give 224 ml of nitrogen at ntp the percent of nitrogen in the compound is about

Answer 1

In estimation of Dumas method :

Mass of an organic compound = 1 . 18 g

Nitrogen at S . T . P = 224 mL

% age of N 2  = 28 / 22400 x 224 / 1.18 x 100  

% age of N 2 = 23 . 7