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![Page 1: Chapter 9: Aqueous Solutions & Chemical Equilibria CHE 321: Quantitative Chemical Analysis Dr. Jerome Williams, Ph.D. Saint Leo University.](https://reader035.fdocuments.us/reader035/viewer/2022081418/56649f165503460f94c2bdd5/html5/thumbnails/1.jpg)
Chapter 9: Aqueous Solutions & Chemical Equilibria
CHE 321: Quantitative Chemical AnalysisDr. Jerome Williams, Ph.D.
Saint Leo University
![Page 2: Chapter 9: Aqueous Solutions & Chemical Equilibria CHE 321: Quantitative Chemical Analysis Dr. Jerome Williams, Ph.D. Saint Leo University.](https://reader035.fdocuments.us/reader035/viewer/2022081418/56649f165503460f94c2bdd5/html5/thumbnails/2.jpg)
Overview
• Electrolytes, Acids & Bases• Chemical Equilibrium• Buffer Solutions
![Page 3: Chapter 9: Aqueous Solutions & Chemical Equilibria CHE 321: Quantitative Chemical Analysis Dr. Jerome Williams, Ph.D. Saint Leo University.](https://reader035.fdocuments.us/reader035/viewer/2022081418/56649f165503460f94c2bdd5/html5/thumbnails/3.jpg)
Electrolytes, Acids & Bases
• Review Concepts from general & organic chemistry.
– Electrolytes (Definition, Classification)– Acids & Bases (Three Systems to Define)– Conjugate Acid/Base Pairs (Bronsted-Lowry)– Amphiprotic Species & Amphiprotic Solvent– Zwitterion– Autoionization (Autoprotolysis)– Acid/Base Strength
![Page 4: Chapter 9: Aqueous Solutions & Chemical Equilibria CHE 321: Quantitative Chemical Analysis Dr. Jerome Williams, Ph.D. Saint Leo University.](https://reader035.fdocuments.us/reader035/viewer/2022081418/56649f165503460f94c2bdd5/html5/thumbnails/4.jpg)
Table 9-1 p198
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Figure 9-1 p199
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Figure 9-1a p199
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Figure 9-2 p201
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Chemical Equilibrium
• Review Concepts from general & organic chemistry.
– Chemical Equilibrium– Law of Mass Action– LeChatlier’s Principle– Equilibrium Constant Expressions (Ka,Kb,Kw,Ksp)
– Common Ion Effect– Differentiating Solvent– Leveling Solvent
![Page 11: Chapter 9: Aqueous Solutions & Chemical Equilibria CHE 321: Quantitative Chemical Analysis Dr. Jerome Williams, Ph.D. Saint Leo University.](https://reader035.fdocuments.us/reader035/viewer/2022081418/56649f165503460f94c2bdd5/html5/thumbnails/11.jpg)
Table 9-2 p204
![Page 12: Chapter 9: Aqueous Solutions & Chemical Equilibria CHE 321: Quantitative Chemical Analysis Dr. Jerome Williams, Ph.D. Saint Leo University.](https://reader035.fdocuments.us/reader035/viewer/2022081418/56649f165503460f94c2bdd5/html5/thumbnails/12.jpg)
Table 9-3 p206
![Page 13: Chapter 9: Aqueous Solutions & Chemical Equilibria CHE 321: Quantitative Chemical Analysis Dr. Jerome Williams, Ph.D. Saint Leo University.](https://reader035.fdocuments.us/reader035/viewer/2022081418/56649f165503460f94c2bdd5/html5/thumbnails/13.jpg)
Table 9-4 p214
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Buffer Solutions
• Review Concepts from general & organic chemistry.
– Buffer Solutions– Henderson-Hasselbach Equation– Buffer Capacity
![Page 15: Chapter 9: Aqueous Solutions & Chemical Equilibria CHE 321: Quantitative Chemical Analysis Dr. Jerome Williams, Ph.D. Saint Leo University.](https://reader035.fdocuments.us/reader035/viewer/2022081418/56649f165503460f94c2bdd5/html5/thumbnails/15.jpg)
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Figure 9-4 p223
![Page 17: Chapter 9: Aqueous Solutions & Chemical Equilibria CHE 321: Quantitative Chemical Analysis Dr. Jerome Williams, Ph.D. Saint Leo University.](https://reader035.fdocuments.us/reader035/viewer/2022081418/56649f165503460f94c2bdd5/html5/thumbnails/17.jpg)
Figure 9-5 p225
![Page 18: Chapter 9: Aqueous Solutions & Chemical Equilibria CHE 321: Quantitative Chemical Analysis Dr. Jerome Williams, Ph.D. Saint Leo University.](https://reader035.fdocuments.us/reader035/viewer/2022081418/56649f165503460f94c2bdd5/html5/thumbnails/18.jpg)
Figure 9-6 p226
![Page 19: Chapter 9: Aqueous Solutions & Chemical Equilibria CHE 321: Quantitative Chemical Analysis Dr. Jerome Williams, Ph.D. Saint Leo University.](https://reader035.fdocuments.us/reader035/viewer/2022081418/56649f165503460f94c2bdd5/html5/thumbnails/19.jpg)
Suggested Problems
• HW Set 7: 9.1, 9.4, 9.6, 9.7, 9.8• HW Set 8: 9.10, 9.13, 9.17, 9.20, 9.25, 9.27