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Redox titrations are used to determine the amounts of oxidizing and reducing agents in solution. For example, a solution of hydrogen peroxide, H2O2, can be titrated against a solution of potassium permanganate, KMnO4. A certain amount of hydrogen peroxide was dissolved in 100 mL of water and then titrated with 1.68 M KMnO4. how much H2O2 was dissolved if the titration required 13.3 mL of the KMnO4 solution?