Question:
hoe to find no.of moles in redox reactions
Answer:
An example of electron counting, the reaction between Ba and Al3+:
Oxidation: Ba0 ⟶ Ba2++2e−
Reduction: Al3++3e− ⟶ Al0
To balance the equations,
Oxidation: 3Ba0 ⟶ 3Ba2+ + 6e−
Reduction: 2Al3+ + 6e− ⟶ 2Al0
= 3Ba0 + 2Al3+ ⟶ 3Ba2+ + 2Al0
In the reaction, six electrons or 6 mole are involved.
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