A voltaic cell is constructed with a compartment of Aluminum strip in a solution

Question

A voltaic cell is constructed with a compartment of Aluminum strip in a solution of Al(NO3)3 and a standard hydrogen Electrode.

A) which is the cathode?

B) Write the two half reactions.

C) Will the aluminum strip gain or lose mass?

D) Write a balanced equation for the overall cell reaction.

E) What is the cell potential if the concentration of  Al(NO3)3 is 0.200 M?

Hello! I completed steps a-d and i really just had a question about "E", does the concentration have effect on the cell potential, should I be using NERNST equation for this?

Explanation / Answer

b)Al3+(aq) + 3e Al(s)

NO3(aq) + 3H+(aq) + 2e HNO2(aq) + H2O(l)

c) gains mass

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