In this galvanic cell, oxidation occurs at the aluminum anode and reduction occurs at the cobalt cathode. Sodium nitrate $(NaN{O}_3)$ forms the salt bridge for the galvanic cell. The salt bridge allows for the flow of ions throughout both the anode and cathode compartments, which maintains electrical neutrality. In a galvanic cell, the anions move toward the anode and the cations move toward the cathode.

Part C

Write a balanced equation for the cell reaction.

Express your answer as a chemical equation including phases.

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