Homework Help: chemistry

Posted by John on Saturday, November 7, 2009 at 8:37pm.

The redox reaction below occurs in acidic solution. Balance it with the smallest whole number coefficients and determine the coefficient for H+. MnO4-(aq) + HNO2(aq) ---> Mn2+(aq) + NO3-(aq)

when i did it..i got the answer as1...but im not to sure..help?

1. 3
2. 5
3. 1
4. 4
5. 2

chemistry - DrBob222, Saturday, November 7, 2009 at 11:32pm
How can you not be too sure? The equation is either balanced or it isn't and you know when you finish if it is right or not. I get 1 H^+ too. And I know that's right because the equation balances
1. atoms.
2. charge.
3. electron change.

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