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SCAN0016 - 0 ’1?“ Weak Acid Dissociation HA<—>...

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Unformatted text preview: 0 ’1?“ Weak Acid Dissociation - HA <—> H“ + A- ’F‘I - Ka= [H*] [A‘] “gr [HA1 What is the pH of 0.01 M Acetic 3.4004 acid Ka=1.8x10'5 with Haw (W m pH e «r t 5% Cir-"i3 (3+3 Mia wt + H19 4;; A”; H3€D+ if" Q; Weak Base Dissociation I ~B+H20<—>BH++OH‘ __—_————— - Kb: [BH+] [OH'] C --)4 +74 ”it"?! E x-x [B] I x x: K Ka for acetic acid = 1.8x10'5 What is the pH of 0.01 M sodium acetate solution? C's/£3 NW+ mg 43;; Buffers - Resist changes in pH ' Mixtures of conjugate acid/base pairs. 5. B . I 30“ '5 ~ \ QEKC’OHB - The Henderson-Hasselbalch Equation pH— ' pka + log [A ]/ [HA] JCSP EMU-Dz? AP 32ng 25¢? ...
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