balancing question

[299678]

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H2C2O4 + MnO4^- --> Mn^2+ + CO2 + H2O + H+

I know how to balance its half reaction

MnO4^-> Mn^2+

and

H2C2O4 ----> CO2,

but how to balance the rest ---> H2O + H^+ ????

 

[engr2dent]

H2C2O4 + MnO4^- --> Mn^2+ + CO2 + H2O + H+

I know how to balance its half reaction

MnO4^-> Mn^2+

and

H2C2O4 ----> CO2,

but how to balance the rest ---> H2O + H^+ ????

I did it and came up with the same solution found here (which gives a good explanation and saves me from typing it over 🙂):
http://answers.yahoo.com/question/index?qid=20091007075210AAjvJie