Review For Chapter 14 MULTIPLE CHOICE. Choose the one alternative that best comp

Question

Review For Chapter 14 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is an Arrhenius acid? 1) 2) What is the concentration (in M) of hydronium ions in a solution at 25.0 degree C with pH = 4.282? 2) 3) In basic solution, . 3) 4) Which solution below has the highest concentration of hydroxide ions? 4) 5) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant Kb for A? 5) 6) Calculate the concentration (in M) of hydronium ions in a solution at 25.0 degree C with a pOH of 6) 4.223. 7) The Ka of hypochlorous acid (HClO) is 3.00 x 10^-8 at 25.0 degree C. Calculate the pH of a 0.0385 M 7) hypochlorous acid solution. 8) Which of the following is a Bronsted-Lowry base? 8) E) None of the above are Lewis bases. 9) Which of the following species is amphoteric? 9) E) None of the above are amphoteric 10) Which of the following is NOT a conjugate acid-base pair? 10) 11) Which of the following acids is the STRONGEST? The acid is followed by its Ka value. 11) 12) What is the concentration of hydroxide ions in pure water at 30.0 degree C, if Kw at this temperature is 12) 13) Determine the Kb for CN. The Ka for HCN is 4.9 x 10^-10. 13) 14) Calculate the concentration of OH- in a solution that contains 3.9 x 10^-4 M H3O at 25 degreeC. 14) Identify the solution as acidic, basic or neutral. 15) Calculate the pH of a solution that contains 2.4 x10^-5 M H3O+ at 25degree C. 15) 16) Calculate the hydroxide ion concentration in an aqueous solution with a pH of 4.33 at 25 degree C. 16) 17) Determine the pH of a 0.00598 M HClO4 solution. 17) 18) Find the percent ionization of a 0.337 M HF solution. The Ka for HF is 3.5 x 10^-4 18) 19) Determine the pH of a 0.116 M Ba(OH)2 solution. 19) 20) Determine the pH of a 0.227 M C5H5N solution. The Kb of C5H5N is.1.7 x 10^-9. 20) 21) Determine the pH of a 0.22 M NaF solution. The Ka of HF is 3.5 x 10^-5. 21) 22) Determine the pH of a 0.18 M H2C03 solution. Carbonic acid is a diprotic acid whose Ka1 = 4.3 22) x 10^-7 and Ka2=5.6 x 10^-11. 23) Determine the concentration of C032- ions in a 0.18 M H2C03 solution. Carbonic acid is a 23) diprotic acid whose Ka1 = 4.3x10^-7 and Ka2 = 5.6 x 10^-11.

Explanation / Answer

1) D

2) E

3) E

4) B

5) A

6) E

7) A

8) A

9) B

10) A

11) E

12) B

13) E

14) D

15) E

16) A

17) C

18) E

19) E

20) C

21) E

22) A

23) B

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