In Carius method, 0.75 g of an organic compound gave 1.2 g of barium sulphate, find percentage of sulphur (molar mass 32 g mol –1). Molar mass of barium sulphate is 233 g mol –1. (A) 4.55% (B) 10.30%

Question

In Carius method, 0.75 g of an organic compound gave 1.2 g of barium sulphate, find percentage of sulphur (molar mass 32 g mol –1). Molar mass of barium sulphate is 233 g mol –1.

(A) 4.55%
(B) 10.30%
(C) 21.97%
(D) 16.48%

Prashant Kotian · Accepted Answer

Correct answer: C. BaSO (unknowncomp.) n 100 W   1.2 32 233 0.75    = 21.97%

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