3/24/20081All Rights reserved Gene Hall1Lecture 16 Outline of Chapter 18J18.5 Weak basesJExamples of weak basesJ18.6 Molecular Properties and Acid StrengthJAcidity of hydrated metal ionsJ18.7 Acid-Base Properties of Salt SolutionsJWhat is the pH of solutions of different salts?All Rights reserved Gene Hall2Some shortcut calculations that were derived from the definitions of weak acids and bases.LFor weak acids: LValid when [HA]/Ka >103. This means that the relative error will be 1.6%. So, when [HA]/Ka > 103, can use this equation.(29[HO] =[HA] KpH = -log[HA] K3+aa
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