Q31 / 160 · AP EAMCET 2011 · Chemistry

$0.16 \mathrm{~g}$ of an organic compound containing sulphur produces $0.233 \mathrm{~g}$ of $\mathrm{BaSO}_4$. Percentage of sulphur in the compound is

  • Correct answer
    A
    20
  • B
    80
  • C
    50
  • D
    10

Solution

Percentage of S $\begin{aligned} & =\frac{32 \times \text { weight of } \mathrm{BaSO}_4 \times 100}{233 \times \text { weight of compound }} \\ & =\frac{32 \times 0.233 \times 100}{233 \times 0.16} \\ & =20 \end{aligned}$

Hence, the correct answer is option: 'A'.

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