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In this lesson, students will investigate how solutes affect the colligative properties of solutions, specifically freezing point depression and boiling point elevation. Colligative properties are related to the ratio of solute particles to solvent particles. Students will calculate the molality of various solutions as they conduct an experiment to determine the effect of two solutes, an ionic compound and a molecular compound, on the
boiling point of water.
After completing this lesson, students will understand:
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