1. WARM UP List 5 solution-related terms you learned yesterday.

2. Concentration of Solutions

3. Concentration Definition Amount of solute in a given quantity of solvent or solution

4. Basic Concentration Descriptions Saturated solution – Maximum amount of solute a solvent will dissolve Unsaturated solution – Contains less solute than can be dissolved Supersaturated solution – More solute than can normally be dissolved Increased temp. Unstable

5. Mathematical Concentration Units Percent by Mass o Mass of solute Mass of solution Mass of solution = solute + solvent o Unit: % x 100

6. WRAP UP Calculate the % by mass of ammonia in Windex window cleaner, which has 2.1 g of ammonia and 150 g of water in every bottle.