chapter 9: aqueous solutions & chemical equilibria che 321: quantitative chemical analysis dr....
TRANSCRIPT
Chapter 9: Aqueous Solutions & Chemical Equilibria
CHE 321: Quantitative Chemical AnalysisDr. Jerome Williams, Ph.D.
Saint Leo University
Overview
• Electrolytes, Acids & Bases• Chemical Equilibrium• Buffer Solutions
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
Table 9-1 p198
Figure 9-1 p199
Figure 9-1a p199
p200
Figure 9-2 p201
p203
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
Table 9-2 p204
Table 9-3 p206
Table 9-4 p214
Buffer Solutions
• Review Concepts from general & organic chemistry.
– Buffer Solutions– Henderson-Hasselbach Equation– Buffer Capacity
p220
Figure 9-4 p223
Figure 9-5 p225
Figure 9-6 p226
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