Balancing Redox Reaction Video Lessons

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Problem: Balance the following equation in basic solution using the lowest possible integers and give the coefficient of water.MnO4-( aq) + SO32-( aq) → MnO2( s) + SO42-( aq)a. 3b. 1c. 7d. 9e. 6

FREE Expert Solution

We're being asked to determine the coefficient of water in the balanced redox basic reaction of :

MnO4-(aq) + SO32-( aq) → MnO2( s) + SO42-( aq)


A redox reaction can be balanced (in basic solution) by these steps:

Step 1: Separate the whole reaction into two half-reactions.

Step 2: Balance the non-hydrogen and non-oxygen elements first.

Step 3: Balance oxygen by adding H2O to the side that needs oxygen. (1 O: 1 H2O)

Step 4: Balance hydrogen by adding H+ to the side that needs hydrogen. (1 H: 1 H+)

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Problem Details

Balance the following equation in basic solution using the lowest possible integers and give the coefficient of water.

MnO4-( aq) + SO32-( aq) → MnO2( s) + SO42-( aq)

a. 3

b. 1

c. 7

d. 9

e. 6

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