A solution of hydrogen peroxide,H2O2, is titrated with a solution of potassium permanganate, KMnO4. The reaction is 5H2O2(aq) +2KMnO4•(aq) + 3H2SO4,(aq) → 502(g) +2MnSO4,(aq) + K2SO4,(aq) + 8H2O(l) It requires 51.7 mL of 0.145 M KMnO4 to titrate 20.0 g of the solution of hydrogen peroxide. What is the mass percentage of H2O2 in the solution?

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Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for