1.

In the estimation of nitrogen by Duma's method 1.18 g of an organic compound gave 224 ml of N_(2)at NTP. The percentage of nitrogen in the compound is about

Answer»

20
11.8
47.5
23.7

Solution :PERCENTAGE of `N=(244 XX 28)/(22400)xx (100)/(1.18)=23.7 % `


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