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An organic compound was analysed by Duma...

An organic compound was analysed by Duma's method `0.54g` of an organic compound gave `38ml` of nitrogen at `350K` and `732mm` pressure. Calculate the percentage of nitrogen in the compound (vapour pressure of water at `350K` is `32mm`)
`6.25%`
`25%`
`12.5%`
`15%`

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