1. Warm-up: Concept: PS-3.1 Solubility REMEMBER: The solubility of a solute is the maximum quantity of solute that can dissolve in a certain quantity of solvent or quantity of solution at a specified temperature.

2. 1.What is the solubility of NaCl at 75 o C? 2.How much Potassium Iodide could you expect to dissolve in water at 37 o C? 3.At what solvent temperature do Sodium Nitrate and Potassium Nitrate have the same solubility? 4.Which of the compounds shown on this graph illustrates a direct proportion between solvent temperature and solubility?

3. 1.What is the solubility of NaCl at 75 o C? 40g/100cm 3 @75 o C 2.How much Potassium Iodide could you expect to dissolve in water at 37 o C? 190g 3.At what solvent temperature do Sodium Nitrate and Potassium Nitrate have the same solubility? 67 o C 4.Which of the compounds shown on this graph illustrates a direct proportion between solvent temperature and solubility? Potassium Iodide