In Dumas method 0.5 g of an organic compound containing nitrogen gave 112 ml of nitrogen at S.T.P. The percentage of nitrogen in the given compound is

Question

In Dumas method 0.5 g of an organic compound containing nitrogen gave 112 ml of nitrogen at S.T.P. The percentage of nitrogen in the given compound is, 28, 38, 18, 48

MARKS App · Accepted Answer

% N = 28 22400 × V o l u m e o f N 2 a t S T P ( m l ) W e i g h t o f o r g a n i c c o m p o n d × 100 % N = 28 22400 × 112 0.5 m l × 100 = 28 %

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