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Worksheet 12 Acids & Bases: Weak Acids, Weak Bases, Ka b Objectives ’s ...

Ka’s are for acids and Kb’s are for bases. The relationship between Ka and Kb for a weak acid and it’s comjugate base is given by: For any weak acid, shown as HA, the percent dissociation is given by: 1.) Calculate the pH of the following solutions: 0.512 M HClO4 and 0.512 M HF (Ka = 6.76 x 10−4) pH HClO4 _____ pH HF_____ Page 1 of 6