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Calculate the pH of each of the following solutions. a. 0.00034M Hydrochloric acid b. 9.5 x 10-2M Calcium Hydroxide c. 0.0088 M CH3CH2COOH, Ka = 1.3 x 10-5 d. 0.0120 M C5H5N, Kb = 1.7 x 10-9