the number of moles of H2O2 required to completely react with 400ml of 0.5N KMnO4 in acidic medium are
To determine the number of moles of H2O2 required to completely react with 400 ml of 0.5 N KMnO4 in acidic medium, we need to use the balanced chemical equation for the reaction. However, you have not provided the balanced chemical equation for this reaction.
Please provide the balanced chemical equation, and I'll be able to help you calculate the number of moles of H2O2 required.