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Question

In the Duma’s method for the estimation of nitrogen, 0.84 g of an organic compound gave 448 mL of nitrogen at STP. The % of N in the compound is:
 
  1. 33.3%
  2. 66.7%
  3. 50%
  4. 60%


Solution

The correct option is B 66.7%
% of N=28×V×10022400×W=28×448×10022400×0.84=66.66%=66.7%

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