5.0 mL of a buffer solution were prepared with 2.5 mL of 0.010 M HC2H3O2 and 2.5 mL of 0.010 M NaC2H3O2. Which of the following actions will exceed the buffering capacity of the buffer system? Select one: A. add 2 drops of 0.10 M NaOH b. add 2 drops of HC2H3O2 0.10 M C. add 1.0 mL of 0.10 M HCI d. none of these treatments will exceed the buffer capacity of the solution.

5.0 mL of a buffer solution were prepared with 2.5 mL of 0.010 M HC2H3O2 and 2.5 mL of 0.010 M NaC2H3O2. Which of the following actions will exceed the buffering capacity of the buffer system? Select one: A. add 2 drops of 0.10 M NaOH b. add 2 drops of HC2H3O2 0.10 M C. add 1.0 mL of 0.10 M HCI d. none of these treatments will exceed the buffer capacity of the solution.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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20c.
Which of the following, when mixed, would NOT result in a buffer solution? а. 10 mL of 0.1M HCI and 20 mL of 0.1 M NH3 O b. 10 mL of 0.1 M HCI and 20 mL of 0.1 M NaC2H3O2 C. 10 mL of 0.1 M NaOH and 20 mL of 0.1 M potassium cyanide, KCN d. 10 mL of 0.1 M NaOH and 20 mL 0.1 M HF e. 10 mL of 0.1 M acetic acid, HC2H3O2, and 10 mL of 0.1 M sodium acetate, NaC2H3O2
1. Explain how a buffer made of hydrofluoric acid (0.20M) and fluoride ion (0.20M) adjusts to a small amount of added NaOH. 2. Calculate the amount of 0.1M NaOH that must be added to destroy the buffer solution from question 1.
7. A solution was made by mixing 50.0 mL of 0.750 M HCN with 25.0 mL of water. What is the pH of this solution? The pka of HCN = 9.31. 8. One of the compounds featured on the TV series "Breaking Bad" was hydrofluoric acid (HF), pKa = 3.14. a) A solution of HF has a pH = 1.77. What was the initial [HF] for this solution in mol L-1? b) What is the equilibrium concentration of F in this solution in mol L-1? c) What is the percent ionization of HF in this solution?
Please answer both the question otherwise I'll downvote
How many moles of sodium hydroxide would have to be added to 150 mL of a 0.479 M hypochlorous acid solution, in order to prepare a buffer with a pH of 7.210? ____ moles
#9 plz