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QJEEM21Ch95c2: JEE Main 2021 Chemistry - Class 11 JEEM21Ch95c2 Solution: In the sulphur estimation, 0.471 g of an organic compound gave…

In the sulphur estimation, 0.471 g of an organic compound gave 1.44 g of barium sulphate. The percentage of sulphur in the compound is ____________%. (Nearest integer)

(Atomic Mass of Ba = 137 u)

Step-by-Step Verified Solution

Molecular mass of BaSO4 = 233 g

∵\because 233 BaSO4 contain →\to 32 g sulphur

∴\therefore 1.44 g BaSO4 contain →\to 32233{{32} \over {233}} ×\times 1.44 g sulphur given : 0.471 g of organic compound

% of S = 32×1.44233×0.471×100=41.98%≈42%{{32 \times 1.44} \over {233 \times 0.471}} \times 100 = 41.98\% \approx 42\%

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