a) The solubility of copper(I) iodide is 4.3 ✕ 10⁻⁴g/L. What is the Ksp of copper(I) iodide?
b) For the following reaction:
NiO₂ (s) + 4 H+(aq) + 2 Ag(s) → Ni₂ +(aq) + 2 H₂O(l) + 2 Ag+(aq) ℰ° = 2.48 V
Calculate the pH of the solution if ℰ = 2.18 V and [Ag+] = [Ni₂ +] = 0.013 M.