How many millilitres of $3 \%\left(\frac{\mathrm{w}}{\mathrm{v}}\right) \mathrm{H}_2 \mathrm{O}_2$ solution…

How many millilitres of $3 \%\left(\frac{\mathrm{w}}{\mathrm{v}}\right) \mathrm{H}_2 \mathrm{O}_2$ solution is required to get $150 \mathrm{~mL}$ of oxygen at STP?
  1. $10$
  2. $20$
  3. $30$
  4. $15$

Solution

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Asked in: AP EAMCET 2017 (24 Apr Shift 1)

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