If 2moles of electrons are required to oxidize 1 mole of unknown, what is the molarity of the unknown solution

Normality: 0.638
In this experiment: MnO4- is reduced to Mn2+

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  1. I'm sorry but I'm confused.
    If I add electrons to A that is reduction, not oxidation.
    And in the experiment MnO4^- is reduced to Mn^+2 but that is a change of 5e.

    Perhaps you should post the entire problem.I can't make sense of the above.

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    posted by DrBob222

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