2. Balance the reactions using the electron balance method, specify the oxidizing agent, reducing agent and the type of redox reaction. Calculate the molar masses of the equivalents of the oxidizing agent and reducing agent.
KMnO4 H2O2 H2SO4 → K2SO4 MnSO4 O2 H2O
HI H2SO4 → I2 H2S H2O

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