CBSE Class 11-science Answered
IN AN ESTIMATION OF SULPHUR BY CARCIUS METHOD 0.468gm OF ORGANIC SULPHUR COMPOUND GAVE 0.668gm OF BARIUM SULPHATE . FIND THE PERCENTAGE OF SULPHUR IN THE COMPOUND
Asked by roopali mishra | 22 Feb, 2014, 09:18: PM
Expert Answer
Given:
Total mass of organic compound = 0.468 g
Mass of barium sulphate formed = 0.668 g
1 mol of BaSO4 = 233 g of BaSO4 = 32 g of sulphur
Thus, 0.668 g of BaSO4 contains 
of sulphur = 0.0917 g of sulphur
Therefore, percentage of sulphur 
= 19.59 %
Hence, the percentage of sulphur in the given compound is 19.59 %.
Answered by | 24 Feb, 2014, 02:11: PM
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