1.

0.5 g of an organic compound cantaining N on Kjeldahlising required 29 ml of N/5 H_(2)SO_(4) for complete neutralization of NH3 . The percentage of N in the compound is

Answer»

34.3
16.2
21.6
14.8

Solution :`% ofN_2 = (28xx0.129xx100)/(1000xx 0.5)=16.2`


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