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        9-12

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        Unit 12: Segment G

        This segment reviews Unit 7, "Solutions, Acids and Bases." The students saw how solvents dissolve solutes and how the rate of dissolution can be changed. They measured the concentration of solutions by molarity, mass percent, and molality. Making ice cream gave the students a delicious way to see how the colligative property of freezing point depression works. The unit also covered pH scale and how to measure acidity and alkalinity.

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