We are asked to find the **ratio of the Sn ^{2+} concentrations** in the two Sn/Sn

**The Nernst Equation at 25****°C:**

E_{cell} = cell potential under non-standard conditions

E°_{cell} = standard cell potential

n = number of e^{-} transferred

Q= reaction quotient = [products]/[reactants]

In the Nernst Equation, the **E****° _{cell} is needed** but only E

A concentration cell consists of two Sn/Sn^{2+} half-cells. The cell has a potential of 0.15V at 25°C. What is the ratio of the Sn^{2+} concentrations in the two half-cells?

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