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Calculate Ecell for an Electrochemical Cell Based on the Two

Question 45

Multiple Choice

Calculate Ecell for an electrochemical cell based on the two half-reactions given below when the reaction occurs in an acidic aqueous solution in which the pH is buffered at 4.00 and [MnO4-] = 1.80 M and [Fe2+] =0.0220 M.Use the smallest whole-number coefficients possible when
Balancing the overall reaction.
Calculate E<sub>cell</sub> for an electrochemical cell based on the two half-reactions given below when the reaction occurs in an acidic aqueous solution in which the pH is buffered at 4.00 and [MnO<sub>4</sub>-] = 1.80 M and [Fe<sup>2+</sup>] =0.0220 M.Use the smallest whole-number coefficients possible when Balancing the overall reaction.   A) (+2.10 V)  B) (+0.964 V)  C) (+1.21 V)  D) (+1.86 V)  E) (+2.38 V)


A) (+2.10 V)
B) (+0.964 V)
C) (+1.21 V)
D) (+1.86 V)
E) (+2.38 V)

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