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Calculate the Cell Potential E at 25°C for the Reaction

Question 7

Multiple Choice

Calculate the cell potential E at 25°C for the reaction 2 Al(s) + 3 Fe2+(aq) → 2 Al3+(aq) + 3 Fe(s)
Given that [Fe2+] = 0.020 M,[Al3+] = 0.10 M,and the standard reduction potential is -1.66 V for Al3+/Al and -0.45 V for Fe2+/Fe.


A) +1.03 V
B) +1.17 V
C) +1.18 V
D) +1.20 V

Correct Answer:

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