Handout-10b - -4 Acetylsalicylic acid C 9 H 8 O 4 3.0 x...

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Strengths of acids and bases … Acid Conjugate Base HClO 4 perchloric acid ClO 4 - HI hydroiodic acid I - HBr hydrobromic acid Br - HCl hydrochloric acid Cl - H 2 SO 4 sulfuric acid HSO 4 - HNO 3 nitric acid NO 3 - H 3 O + hydronium ion H 2 O HSO 4 - hydrogen sulfate ion SO 4 2- HF hydrofluoric acid F - HNO 2 nitrous acid NO 2 - HCOOH formic acid HCOO - CH 3 COOH acetic acid CH 3 COO - NH 4 + ammonium ion NH 3 HCN hydrocynanic acid CN - H 2 O water OH - NH 3 ammonia NH 2 - Ionization Equilibrium constants for some common weak acids and bases … H A ( a q ) + H 2 O (l) A - (aq) + H 3 O + (aq) K = K a Acid Name Formula K a Hydrofluoric acid HF 7.1 x 10 -4 Nitrous acid HNO 2 4.5 x 10
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Unformatted text preview: -4 Acetylsalicylic acid C 9 H 8 O 4 3.0 x 10-4 Formic acid HCOOH 1.7 x 10-4 Ascorbic acid C 6 H 8 O 6 8.0 x 10-5 Acetic acid CH 3 COOH 1.8 x 10-5 Hydrocyanic acid HCN 4.9 x 10-10 B ( a q ) + H 2 O (l) BH + (aq) + OH-(aq) K = K b Base Name Formula K b Ethylamine C 2 H 5 NH 2 5.6 x 10-4 Methylamine CH 3 NH 2 4.4 x 10-4 Caffeine C 8 H 10 N 4 O 2 4.1 x 10-4 Ammonia NH 3 1.8 x 10-5 Urea N 2 H 4 CO 1.5 x 10-14 Increasing acid strength Strong acids Weak acids Increasing strength of conjugate base...
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