How many mole of FeSO4 with one mole of KMnO4 in acidic medium?

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To determine the number of moles of FeSO4 that reacts with one mole of KMnO4 in acidic medium, we need to consider the balanced chemical equation for the reaction.

The balanced equation for the reaction between FeSO4 and KMnO4 in acidic medium is:

5FeSO4 + KMnO4 + 8H2SO4 -> 5Fe2(SO4)3 + MnSO4 + K2SO4 + 8H2O

From the balanced equation, we can see that the stoichiometric ratio between FeSO4 and KMnO4 is 5:1. This means that for every one mole of KMnO4, we need five moles of FeSO4 to react with it.

Therefore, the answer is that one mole of KMnO4 reacts with five moles of FeSO4 in the given reaction in acidic medium.