Determine the pH of each of the following solutions.
(a) 0.113 M ascorbic acid (weak acid...
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Chemistry
Determine the pH of each of the following solutions.
(a) 0.113 M ascorbic acid (weak acid with Ka =8e-05).
(b) 0.261 M phenol (weak acid with Ka = 1.3e-10).
(c) 0.150 M pyridine (weak base with Kb =1.7e-09).
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3.7 Ratings (392 Votes)
a Ka 80 105 and c 0113M For weak acids the relation for pH can be given as pH 12pKa logc 1 Where in this case pKa of ascorbic acid logKa log80 x 105 pKa 409 pKa
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