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Zumdahl, Chemistry 10th Edition
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Zumdahl, Chemistry 10th Edition
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Zumdahl, Chemistry 10th Edition
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202-NYB-05: Course Notes ProblemsChapter 14: Acids and Bases. (Zumdahl/Zumdahl, 10th Ed)
Problem 1: Write the dissociation reaction for each of the following acids.
a) Hydrochloric acid (HCl) b) Acetic acid (HC2H3O2) c) Ammonium ion (NH4+)
Problem 2: Calculate the [H+] or the [OH-] as required for each of the following
solutions at 25 °C, and state whether the solution is neutral, acidic or basic.
a) 1.0 x 10-5 M OH- b) 1.0 x 10-7 M OH- c) 10.0 M H+
Problem 3: Calculate the pH and the pOH for a 1.0 x 10-3 M OH- solution at 25
°C.
Problem 4: The pH of a sample of human blood was measured to be 7.41 at 25
°C. Calculate the pOH, the [H+] and the [OH-] for the sample.
Problem 5: Calculate the pH of 0.10 M HNO3.
Problem 6: Calculate the pH of 1.0 x 10-10 M HCl.
Problem 7: Calculate the pH of a 0.100 M aqueous solution of hypochlorous acid
(HOCl, Ka = 3.5 x 10-8).
Problem 8:
a) Calculate the pH of a solution that contains 1.00 M HCN (Ka = 6.2 x 10-10) and
5.00 M HNO2 (Ka = 4.0 x 10-4).
b) Calculate the concentration of cyanide ion (CN-) in this solution at equilibrium.
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