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    scottafin's Avatar
    scottafin Posts: 1, Reputation: 1
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    #1

    Jun 20, 2011, 12:14 PM
    Redox titration
    A solid sample containing some Fe2+ ion weighs 1.750 g. it requires 36.44 ml 0.0244 M KMnO4 to titrate the Fe2+ in the dissolved sample to a pink end point.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Jun 21, 2011, 07:13 AM

    There is no question... :confused:

    But if I guess right...

    1. Write down the balanced equation for the reaction taking place between KMnO4 and Fe^2+.
    2. Find the number of moles of MnO4^- used.
    3. Find the number of moles of Fe^2+ that should be in the sample.
    4. Find the mass of the Fe^2+ in the sample.
    5. Find the percentage of Fe^2+ in the sample by using the masses that you have.
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