Question

$2.18g$ of an organic compound containing sulphur produces $1.02g$ of $BaSO_{4}$ The percentage of sulphur in the compound is.

• A. $7.26\%$
• B. $8.98\%$
• C. 10%
• D. $6.42\%$

Answer 1

Answer: (D)

$6.42\%$

Answer 2

: % of $S = \frac{32}{233} \times \frac{1.02}{2.18} \times 100 = 6.42\%$