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Section 15.3 Properties of Solutions 1.To understand the effect of a solute on solution properties Objectives (15.3 part only)

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Presentation on theme: "Section 15.3 Properties of Solutions 1.To understand the effect of a solute on solution properties Objectives (15.3 part only)"— Presentation transcript:

1 Section 15.3 Properties of Solutions 1.To understand the effect of a solute on solution properties Objectives (15.3 part only)

2 Section 15.3 Properties of Solutions D. Boiling Point and Freezing Point The presence of solute “particles” causes the liquid range to become wider. –Boiling point increases –Freezing point decreases Colligative property – a solution property that depends on the number of solute particles present Ex.: boiling point, freezing point

3 Section 15.3 Properties of Solutions D. Boiling Point and Freezing Point Why does the boiling point of a solution increase? –Solute particles block some of the water molecules trying to enter the bubble. –Need higher pressure to maintain the bubble. –Forming a bubble in a solution

4 Section 15.3 Properties of Solutions D. Boiling Point and Freezing Point –Comparing bubbles


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