Which statement about concentration cells is correct?
a.
the concentrations are the same and the reactions are the same, so the cell potential is 0.00 volts.
b.
the concentrations are the same and the reactions are different, so the cell potential is greater than 0.00 volts.
c.
the concentrations are the same and the reactions are different, so the cell potential is less than 0.00 volts.
d.
the concentrations are different and the reactions are different, so the cell potential is 0.00 volts.

The answer is D. The concentrations are different and the reactions are different, so the cell potential is 0.00 volts.

Explanation:

A concentration cell is an electrolytic cell that is comprised of two half-cells with the same electrodes, but differing in concentrations. A concentration cell acts to dilute the more concentrated solution and concentrate the more dilute solution, creating a voltage as the cell reaches an equilibrium.

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