Ion Concentration

The E^o for copper half-cell is +0.34V. What is the possible E value for copper half-cell if the concentration of Cu²⁺ decrease from 1 mol dm^-3 to 0.5 mol dm^-3?

For the equilibrium in Daniell cell, Zn(s) + $$Cu^{2^+}$$  (aq) → $$Zn^{2^+}$$  (aq) + Cu (s), the expression for log  $$K_c$$    is

Write the K_sp expression for lead(II) chloride

The higher the concentration the acid, the lower the pH and the higher the  $$E^o$$  of the cell