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# Weight of $H_2O_2$ present in 560ml of 20vol $H_2O_2$ solution is approx

$\begin{array}{1 1}(a)\;69g\\(b)\;34g\\(c)\;32g\\(d)\;3.4g\end{array}$

100vol=30%
20vol=6%
100ml=6gms
560ml=$\large\frac{6}{100}$$\times560$
$\Rightarrow 33.6g$
$\Rightarrow \approx 34g$
Hence (b) is the correct answer.