Calculate the number of moles of MnO4- in 20.1 mL of 0.020 M potassium permanganate solution.

Given :

Volume of water, V = 20.1 mL.

Molarity of MnO₄⁻ , M = 0.020 M.

To Find :

The number of moles of potassium permanganate solution.

Solution :

We know, molarity is given by :

Therefore, number of moles  of potassium permanganate solution is 0.402 moles.

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