1.

`0.2595 g` of an organic substance in a quantitative analysis yielded `0.35 g` of the barium sulphate. The percentage of sulphur in the subtance isA. `18.52 g`B. `182.2 g`C. `17.5 g`D. `175.2 g`

Answer» Correct Answer - A
`%` of `S=(32)/(233)xx("wt. of "BaSO_(4))/("wt. of organic compound")xx100`
`=(32)/(233)xx(0.35)/(0.2595)xx100=18.52%g`


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