Question

The stoichiometry of the reaction between hydrogen peroxide and the MnO4- ion depends on the pH of the solution in which the reaction is run. 2MnO4-(aq) + 5H2O2(aq) + 6H+(aq) 2Mn2+(aq) + 8H2O(l) + 5 O2(g) 2MnO4-(aq) + 3H2O2(aq) 2MnO2(s) + 2H2O(l) + 2 OH-(aq) Assume that it took 32.45 cm3 of 0.145 KMnO4 to titrate 28.46 cm3 of 0.248 M of H2O2. Was the reaction run in acidic or basic medium? Explain your answer

Answer 1

Answer:

0.263 M

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