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A Voltaic Cell Is Made by Placing an Iron Electrode

Question 81

Multiple Choice

A voltaic cell is made by placing an iron electrode in a compartment in which the Fe2+ concentration is 3.0 × 10-5 M and by placing a Pt electrode in the other compartment,in which the H+ concentration is 3.10 M and A voltaic cell is made by placing an iron electrode in a compartment in which the Fe<sup>2+</sup> concentration is 3.0 × 10<sup>-5</sup> M and by placing a Pt electrode in the other compartment,in which the H<sup>+</sup> concentration is 3.10 M and   = 1.00 atm.The Fe<sup>2+</sup>/Fe half-cell reduction potential is -0.41 V,and the H<sup>+</sup>/H<sub>2</sub> half-cell reduction potential is 0.00 V.What is E for the cell at 25<sup>o</sup>C? A) 0.10 V B) 0.57 V C) 0.27 V D) 0.25 V E) 0.56 V = 1.00 atm.The Fe2+/Fe half-cell reduction potential is -0.41 V,and the H+/H2 half-cell reduction potential is 0.00 V.What is E for the cell at 25oC?


A) 0.10 V
B) 0.57 V
C) 0.27 V
D) 0.25 V
E) 0.56 V

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