In the estimation of sulphur by Carius method, 0.480 f og an organic comppund gives 0.699 g of barium sulphate. The percentage of sulphur in this compound is (atomic masses : Ba = 137, S = 32 and O = 16)

In the estimation of sulphur by Carius method, 0.480 f og an organic c

1.	In the estimation of sulphur by Carius method, 0.480 f og an organic comppund gives 0.699 g of barium sulphate. The percentage of sulphur in this compound is (atomic masses : Ba = 137, S = 32 and O = 16)
Answer» 0.2 0.15 0.35 0.3 Solution :`%S = (32)/(233) XX (0.699)/(0.480) xx 100 = 20`