consider an electrochemical cell with a zinc electrode immersed in 1.0M Zn2+ and a nickel electrode immersed in 0.1M Ni2+
Zn2+ + 2e --> Zn e zero= -0.76V
Ni@+ + 2e --> Ni e zero=-0.23V
calculate the concentration of Ni2+ if the cell is allowed to run to equilibrium at 25 celsius degree