Transcription of Test3 ch17b Buffer-Titration-Equilibrium Practice Problems
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Test3 ch17b Buffer-Titration-Equilibrium Practice Problems
1 General Chemistry II Jasperse Buffers/Titrations/Solubility. Extra Practice Problems General Types/Groups of Problems : Buffers General p1 Titration Graphs and Recognition p10 What Kind of Solution/pH at End? p2 Titration Calculations p11 Preparation and Recognition of Buffers p4 pH Estimations/Calculations after acid/base are added (including at Equivalence Point) p12 Buffer Calculations p5 Solubility Problems p14 Disrupted Buffers: After Acid or Base are Added p7 Impact on Solubility When Common Ions are Present p16 Titration-Related Problems p9 Impact of pH on Solubility p17 Key Equations Given for Test: For weak acids alone in water: [H+] = KaxWA[] For weak bases alone in water: [OH-] = KbxWB[] pZ= -logZ General definition for p of anything pH + pOH = 14 [H+][HO-] = x 10-14 KaKb= x 10-14 for conjugate acid/base pair For Buffer.
a. a solution of hydrochloric acid and sodium chloride, HCl and NaCl b. a solution of acetic acid and ammonia, NaAc and NH 3 c. a solution of acetic acid and ammonium chloride, HAc and NH 4Cl d. a solution of sodium acetate and ammonium chloride, NaAc and NH 4Cl e. a solution of ammonia and ammonium chloride, NH 3 and NH 4Cl 17.
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