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Three buffers are made by combining a 1 M solution of acetic acid with a 1 M solution of sodium acetate in the ratios shown below.                                              1 M acetic acid              1 M sodium acetate Buffer 1:               10 mL                                           90 mL Buffer 2:               50 mL                                           50 mL Buffer 3:               90 mL                                           10 mL

Three buffers are made by combining a 1 M solution of acetic acid with a 1 M solution of sodium acetate in the ratios shown below.                                              1 M acetic acid              1 M sodium acetate Buffer 1:               10 mL                                           90 mL Buffer 2:               50 mL                                           50 mL Buffer 3:               90 mL                                           10 mL

Chemistry
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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Three buffers are made by combining a 1 M solution of acetic acid with a 1 M solution of sodium acetate in the ratios shown below.

 

                                           1 M acetic acid              1 M sodium acetate

Buffer 1:               10 mL                                           90 mL

Buffer 2:               50 mL                                           50 mL

Buffer 3:               90 mL                                           10 mL

 

Which of these statements is true of the resulting buffers?

 

  1. A) pH of buffer 1 < pH of buffer 2 < pH of buffer 3
  2. B) pH of buffer 1 = pH of buffer 2 = pH of buffer 3
  3. C) pH of buffer 1 > pH of buffer 2 > pH of buffer 3
  4. D) The problem cannot be solved without knowing the value of pKa.
  5. E) None of the above.
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