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.

0.1570 g of an organic compound was heated with fuming nitric acid in

1.	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.
Answer» Solution :PERCENTAGE of SULPHUR `=32/233xx("MASS of "BaSO_(4))/("Mass of COMPOUND")xx100=32/233xx0.4813/0.1570xx100=42.1 %`