9. What coefficient of H+ balances the atoms in this half-reaction?
H+ + MnO₂ → Mn²+ + H₂O
1 answer:
Answer:4
Explanation:To balance the equation you need to make the number of each element equivalent in both sides.
To start add a 2 in front of the MnO2 which balances the Mn.
Then balance the oxygen by adding a 4 in front of H20.
The H then needs a 8 as it’s coefficient.
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