# Problem: Calculate the standard potential, E°, for this reaction from its equilibrium constant at 298 K.X(s) + Y4+(aq) ⇌ X4+(aq) + Y(s)  K = 3.90 x 10 5E° = ?V

###### Problem Details

Calculate the standard potential, E°, for this reaction from its equilibrium constant at 298 K.

X(s) + Y4+(aq) ⇌ X4+(aq) + Y(s)  K = 3.90 x 10 5

E° = ?V