Practice question
Question
In 2NaNO₃ → 2NaNO₂ + O₂, what is the total number of electrons transferred per mole of NaNO₃?
Explanation
N (+5 in NaNO₃) to +3 in NaNO₂: 2 N gain 4 electrons total. Per NaNO₃ = 4/2 = 2.
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