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How many electrons..

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are transferred in the reaction of hydrogen peroxide with iron (II) ion in

acidic solution to form iron (III) ion and water?

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  1. H2O2 & 2H+ & 2 e- --> 2 H2O

    Fe+2 --> Fe+3  & 1 e-

    the iron reaction gets doubled to balance the electrons taken & lost:

    H2O2 & 2H+ & 2 e- taken  --> 2 H2O

    2Fe+2 -->2 Fe+3  & 2 e- lost

    your answer is 2 moles of electrons per mole of H2O2

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