In sulphur estimation, 0.157 g of an organic compound gives 0.4813 g of barium sulphate. The percentage of sulphur in the compound, is

In sulphur estimation, 0.157 g of an organic compound gives 0.4813 g o

1.	In sulphur estimation, 0.157 g of an organic compound gives 0.4813 g of barium sulphate. The percentage of sulphur in the compound, is
Answer» `42.10` `52.10` `21.05` `40.01` Solution :MOLECULAR mass of `BaSO_(4)=138 +32+64 = 233` G 23 g of `BaSO_(4)` CONTAINS 32 g of sulphur `:. 0.4813 g` of `BaSO_(4)` will contain `=(32 xx 0.4813)/(233)` g of sulphur `%` of `S=(32 xx 0.4813xx100)/(233xx0.157)=42.10`.