1.

Which of the following two oxides of nitrogen have 30.5% nitrogen?

Answer»

NO
`NO_(2)`
`N_(2)O_(4)`
`N_(2)O_(5)`

SOLUTION :Percentage of nitrogen in `NO_(2)=(14)/(46)xx100=30.5%`
Percentage of nitrogen in `N_(2)O_(4)=(28)/(92)xx100=30.5%`


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