We're being asked to determine the coefficient of water in the balanced redox basic reaction of :
Cl2(aq) → Cl -(aq) + ClO 3 -(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+)
When the reaction, Cl2(aq) → Cl -(aq) + ClO 3 -(aq) is balanced in aqueous basic solution, what is the coefficient of H 2O?
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