Consider the Daniell cell, for which the overall cell reaction is Zn(s) + Cu²⁺ (aq) ⇋ Zn²⁺ (aq) + Cu(s). The concentrations of CuSO₄ and ZnSO₄ are 2.50 × 10⁻³ and 1.10 × 10⁻³ m, respectively.

a. Calculate E setting the activities of the ionic species equal to their molalities.

b. Calculate γ _± for each of the half-cell solutions using the Debye–Hückel limiting law.

c. Calculate E using the mean ionic activity coefficients determined in part (b).