Complete the following :
`3MnO_(4)^(2-)+4H^(+) to `

Explanation

To complete the reaction of manganate ion (MnO4^2-) with hydrogen ions (H+), we can follow these steps:

### Step 1: Identify the Reactants
The reactants in this reaction are:
- Manganate ion: MnO4^2-
- Hydrogen ions: H+

### Step 2: Write the Unbalanced Reaction
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