Balance each of the following redox reactions occurring in acidic aqueous solution.

Part A

Zn(s)+Sn2+(aq)Zn2+(aq)+Sn(s) Express your answer as a chemical equation. Identify all of the phases in your answer.

Part B

Mg(s)+Cr3+(aq)Mg2+(aq)+Cr(s) Express your answer as a chemical equation. Identify all of the phases in your answer.

Part C

MnO4(aq)+Al(s)Mn2+(aq)+Al3+(aq) Express your answer as a chemical equation. Identify all of the phases in your answer.