Question
Over-the-counter hydrogen peroxide $\left(\mathrm{H}_{2} \mathrm{O}_{2}\right)$ solutions are $3 \%(\mathrm{~m} / \mathrm{v}) .$ What is this concentration in moles per liter?
Step 1
A $3\% \left(\frac{m}{v}\right)$ solution of hydrogen peroxide means that there are $3g$ of $\mathrm{H}_{2} \mathrm{O}_{2}$ dissolved in $100ml$ of solution. Show more…
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