lecture 23 - Turn on Camtasia Recording! Today: Types of...

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Unformatted text preview: Turn on Camtasia Recording! Today: Types of reactions & ICE tables ... 1 All proton transfer reactions go from the stronger acid & base to the weaker acid & base. ... 2 Strong Acid with Strong Base Mixing equal molar quantities of a strong acid and strong base produces a neutral solution. ... 3 Strong Acid with Weak Base Mixing equal molar quantities of a strong acid and weak base produces the bases’s conjugate acid. The solution is acid. ... 4 Weak Acid with Strong Base Mixing equal molar quantities of a weak acid and strong base produces the acid’s conjugate base. The solution is basic. ... 5 Weak Acid with Weak Base •Product cation = conjugate acid of weak base. •Product anion = conjugate base of weak acid. •pH of solution depends on relative strengths of cation and anion. ... 6 Types of Acid/Base Reactions: Summary ... 7 What kind of reaction is vinegar with baking soda? g g A. B. C. D. D Strong acid & strong base Strong acid & weak base Weak acid & strong base Weak id W k acid & weak b k base ... 8 What controls the pH after the reaction of vinegar with baking soda? The pKa of the acid The pKa of the conjugate base The ratio of Ka to pKa The ratio of Ka for the conjugate acid to the Kb for the conjugate base. E. The temperature of the reaction. ... 9 A. B. C. D. 0.0001 M 0.003 M Calculations with Equilibrium Constants pH of an acetic acid solution. What Wh t are your observations? 0.06 M 2.0 M a pH meter, Screen 17.9 ... 10 The pH of a 0.10 M lactic acid solution is 2.34. What is the Ka for lactic acid? ... 11 The pH of a 0.10 M lactic acid solution is 2.34. What is the Ka for lactic acid? ... 12 What is the pH of a 0.001 M formic acid solution? What is the concentration of formic acid at equilibrium? ... 13 What is the pH of a 0.001 M formic acid solution? What is the concentration of formic acid at equilibrium? ... 14 Equilibria Involving A Weak Acid You have 1.00 M HOAc. Calc. the equilibrium HOAc. concs. HOAc, concs. of HOAc, H3O+, OAc-, and the pH. pH. ... 15 ... 16 ...
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