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In the Duma's method for the estimation ...

In the Duma's method for the estimation of nitrogen , `0.84g` of an organic compound gave `448ml` of nitrogen at S.T.P. The percentage of nitrogen in the compound is :

A

`33.3%`

B

`66.7%`

C

`50.0%`

D

`60%`

Text Solution

Verified by Experts

The correct Answer is:
B
`22400mL` of nitrogen at S.T.P. Weigh `=28g`
`448mL` of nitrogen at S.T.P weigh
`=(28)/(22400)xx448=0.56g`
`%` Nitrogen `=(0.56)/(0.84)xx100=66.7`
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