Question

A concentration cell consists of two Sn/Sn2+ half-cells. The cell has a potential of 0.12V at 25 ∘C.

What is the ratio of the Sn2+ concentrations in the two half-cells?

Answer 1

Ecell = Eocell = 0.0592/2*log (ratio)
Eocell = 0 and Ecell = 0.12
Solve for ratio.

Answer 2

0.11