19. You may use Table to answer the following two questions, Table 1: Solvation in Aqueous Solution Compound AHhydration (kl/mol) AH attice (kJ/mol) Naci -756 781 -689 710 Nal -679 699 KI -612 644 CaCl2 -2329 2253 CaCO3 -2818 2805 a.) Briefly propose an experiment to measure the solubility of sodium iodide. What would you expect to observe (e.g. Temperature changes, solution appearance)? (4 points) b.) Do you predict the dissolution of potassium iodide to be entropy-driven, enthalpy-driven, both, or unknown? Explain. (3 points)