Question: please help because the last person did it wrong need to see how stuff cancels neatly Balance the following equations and identify the oxidizing and

please help because the last person did it wrong need to see how stuff cancels neatly

Balance the following equations and identify the oxidizing and reducing agents

a) NH4+(aq) + AlO2-(aq) NO2-(aq) + Al(s) basic

Oxidizing agent___________________ Reducing agent ________________________

b) Cr3+(aq) + HCO2H(aq) Cr2O72-(aq) + CH3COOH(aq) acidic

Oxidizing agent___________________ Reducing agent ________________________

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