Homework Help: College Chemistry

Posted by Anonymous on Monday, July 9, 2012 at 1:44am.

give the balanced equation for oxidation of iron(II)ion by permanganate and find how many millimoles of permanganate ion react with one millimole of ammonium iron(II) sulphate.

I have the balanced equation:
MnO4+8H+5Fe^(2+) --> Mn+4H2O+5Fe^(3+) what would be my next step?

College Chemistry - bobpursley, Monday, July 9, 2012 at 9:46am
Look at the ratio of permanganate ion (MnO4-) and the ammonium iron sulfate (represented by the Fe++ ion), it is 1 to 5. So one millimole of ammonium ferrous sulfate will react with 1/5 millimole of permanganate ions.

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