Che 113 Chapter 6

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Che 113 Chapter 6

• Dr. McGoldricks
• Lecture Highlights

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Solution ColloidsOverview

• Properites of Solutions
• Factors affecting solubility
• Concentration terms
• Electrolytes
• Colloid Properties
• Colligative Properties

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Solution Properties

• Clear
• Homogeneous
• Nonfilterable
• Variable composition
• Dont settle
• Separate by evaporation

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Solution Vocabulary

• Solute
• Solvent
• Dilute vs. concentrated
• Miscible/immiscible
• Solubility
• Saturated unsaturated
• like dissolves like

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Factors Affecting Solubility

• Id solute
• Id solvent
• Temperature
• Concentration

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Concentration Terms

• W / V
• M, molarity
• Molarity calculations examples
• Dilutions M1V1 M2 V2

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Electrolytes

• See conductivity demo from lab
• Know examples of weak, strong and nonelectrloytes
• Compare ionization to dissociation

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Comparison Chart
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Colligative Properties

• VP lowering
• BP elevation
• FP depression
• Os Pressure

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Osmosis

• osM computation
• Isotonic concs0.9 NaCl ad 5.5 Glucose
• Direction of Net Flow in Osmosis
• Hypotonic Case/ hemolysis
• Hypertonic Case/ crenation
• Dialysis

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End Chapter 6

• Homework chapter 6
• Test 3 on Ch. 5 and 6

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