1.

thepercentageof nitrogenby massin ammoniumsulphate is closedis(atomicMasses H=1, N=14, O=16, S=32 )

Answer»

0.21
0.24
0.36
0.16

Solution : 5 Nitrogen `=(" WT of N") /( Wt "of" (NH_(4))_(2) SO_(4))`
` % N =(28)/(132 ) XX100`
`=21.21%`


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