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On heating 0,32g of an organic compound ...

On heating 0,32g of an organic compound with concentrated nitric acid and barium chloride, 0.932g of barium sulphate was obtained. Calculate the percentage of sulphur in the compound.

Text Solution

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Mass of organic compound = 0.32g
Mass of barium sulphate formed 0.932g
1 mol of `BaSO_(4)="1 mol of S"`
i.e, `233"g of "BaSO_(4)="32g of S"`
`0.932"g of "BaSO_(4)=(32)/(233) xx 0.932`
0.32g of the compound contain `=(32)/(233) xx 0.932`
100g of the compound will contain `=(32)/(233) xx (0.932)/(0.32) xx 100=40%`
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