A) 10%
B) 15%
C) 20%
D) 25%
E) 30%
Correct Answer: E
Solution :
\[%\]of\[S=\frac{32}{233}\times \frac{wt.of\,BaS{{O}_{4}}}{wt.\,of\,organic\text{ }compound}\times 100\] \[=\frac{32}{233}\times \frac{1.158}{0.53}\times 100\] \[=30%\]
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