Answer to Question #237744 in Organic Chemistry for Assignment

Question #237744
A solution of hydrogen peroxide is 13.7% by mass. What is the molarity of the
solution? Assume that the solution has a density of 1.01 g/mL.
1
Expert's answer
2021-09-17T02:08:29-0400

13.7g H2O2H_2O_2 in 100g solution

D=1.01 g/ml

volume=1001.01=99 mlvolume=\frac{100}{1.01}=99 \space ml

moles of solute = 13.734=0.4\frac{13.7}{34}=0.4

molarity=moles of solutev(L)=0.40.099=4.04molarity=\frac{moles \space of\space solute} {v(L)}\\=\frac{0.4}{0.099}\\=4.04


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