1.

0.24 gm of an organic substance gave 45.6 c.c. of nitrogen at N.T.P. The percentage of nitrogen is

Answer»

`63.6%`
`23.8%`
`53.6% `
`53.6%`

Solution :PERCENTAGE of `N=(45.6 XX 28)/(22400)xx (100)/(0.24) = 23.8 %`


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