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0.1570 g of an organic compound was heat...

0.1570 g of an organic compound was heated with fuming nitric acid in carius tube. Addition of excess of barium chloride yielded 0.4813 g of barium sulphate as a white precipitate. Determine the percentage of sulphur in the compound.

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The correct Answer is:
`42.1`
Percentage of sulphur `=32/233xx("Mass of "BaSO_(4))/("Mass of compound")xx100=32/233xx0.4813/0.1570xx100=42.1 %`
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