A concentration cell is constructed using two metal (M) electrodes with M2+ concentrations of 0.10 M and 1.00 × 10–5 M in the two half-cells. Determine the reduction potential of M2+ given that the potential of the cell at 25°C is

a. 0.118 V.
b. Cannot be determined with the information given.
c.–0.118 V
d. 0 V
e. +0.118 V
f. None of these choices are correct.

The answer is: d. 0 V

Explanation:

The reactions are:

M⁺² + 2e⁻ = M

M = M⁺² + 2e⁻

According the Nernst expression:

Where

n = 2

Ecell = 0.118 V

[Red] = 1x10⁻⁵M

[O*d] = 0.1 M

Clearing Eo,cell:

import math

x=int(input("enter a number: "))

print (math.sqrt(math.fabs(

answer:

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