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Unformatted text preview: 3 , if a 0.0500 M solution is 1.93% ionized. K a = 1.9 x 10-5 Weak Acid-Base Practice 1-2-5) Laboratory measurements show that a 0.100 M solution of chlorobenzoic acid has a pH of 2.50. Calculate K a K a = 1.1 x 10-4 6) The pH of a 0.011 M acetic acid solution is 2.88. Calculate K a . K a = 1.8 x 10-4 7) Calculate the pH, and the percent ionized, in a 0.100 M solution of the weak acid glycine, for which K a = 1.7 x 10-10 . pH = 5.39 % ionized = 4.1 x 10-3 % 8) Calculate the percent ionized in a 0.0100 M solution of glycine. % ionized = 1.3 x 10-2 %...
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