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In sulphur estimation, 0.157g of an orga...

In sulphur estimation, 0.157g of an organic compound gave 0.4813g of barium sulphate. What is the percentage of sulphur in the compound?

Text Solution

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Weight of organic compound = 0.157g
Weight of barium sulphate formed 0.4813g
`BaSO_(4)=S`
1 mol of `BaSO_(4)="1 mol of sulphur"`
`233"g of "BaSO_(4)="32 g of sulphur"`
`0.4816"g of "BaSO_(4)=(32)/(233) xx 0.4813"g of sulphur"`
0.157g of the compound contains `=(32)/(233) xx 0.4813"g of sulphur"`
100g of the compound contains `(32)/(233) xx (0.4813)/(0.157) xx 100 =42.10%`
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