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August 30, 2014

Homework Help: Inorganic chemistry

Posted by Steve on Tuesday, April 14, 2009 at 1:39pm.

MnO4^-(aq) + H20(l) ==> MnO2 + OH^-

net charg is -1 +7 (-8) ==> 4(-4)

Manganese is reduced

MnO4^- +3e- ==> MnO2

H2) is the oxidizing agent in a basic solution

Mno4^- + H2O(l) --> MnO2(s) + OH^-

Add on OH^- to both sides of the equation for every H+ ion present

Cancel excess water

Check that atoms and charges balance

How did you get 2H2O(l) ==> 4 OH^-(aq)?

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