## Conc. Cells

$E_{cell} = E_{cell}^{\circ}-\frac{RT}{nF}\ln Q$

Miranda 1J
Posts: 51
Joined: Fri Sep 29, 2017 7:06 am

### Conc. Cells

In a concentration cell, why does the product concentration need to be lower than the reactants?

Chris Pleman 3E
Posts: 51
Joined: Thu Jul 27, 2017 3:01 am
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### Re: Conc. Cells

Because the addition of the electron into the products cause the ions to aggregate into solids, which will accumulate on the electrode that's in the solution- so you're making more of the inert substance.

Michelle Nguyen 2L
Posts: 50
Joined: Fri Sep 29, 2017 7:03 am

### Re: Conc. Cells

Ions will form at the electrode where the ion concentration is lower in order to reach equilibrium. In a concentration cell, the reactants and products are the same ions except their concentrations; hence, the product ions form at the side with the lower ion concentration.

Return to “Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)”

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