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APC Chemistry

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Suppose you have a solution containing both an iron (II) salt and an iron (III) salt. How would you proceed to identify both Fe2+ and Fe3+ in this solution?

  • APC Chemistry -

    Not a very complete answer but I think I would titrate the iron(II) with KMnO4 to determine iron(II), then reduce iron(III) to iron(II) and titrate again with KMnO4. Second titration minus first will give iron(III). But that answers how much and not how to identify.

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