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In an estimation of sulphur by Carius me...

In an estimation of sulphur by Carius method, 0.2175 g of the substance gave 0.5825 g of `BaSO_(4)` , calculate the percentage composition of S in the compound.

Text Solution

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Weight of organic compound = 0.2175 g
Weight of `BaSO_(4)` = 0.5825 g
233 g of `BaSO_(4)` contains = 32g of S
`"0.5825 g of" BaSO_(4) "contains"=(32)/(233) xx (0.5825)/(0.2175) "g of S"`
`:. "Percentage of S"=(32)/(233) xx (0.5825)/(0.2175) xx 100=36.78%`
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