At 25oC, a 1-L buffer solution is prepared by mixing acetic acid and sodium acetate. A) If the solution is to be buffered at pH = 5, what should be the molar ratio of sodium acetate to acetic acid? B) If the buffer is found to be 1.55M in acetic acid and 1.70M in sodium acetate, what will be the pH of the solution? C) If 0.15 mol of NaOH was added to the solution in B, what will be the pH of the solution? D) If the pH of the solution in B is 4.50, how many moles of HCl was added to the solution?
At 25oC, a 1-L buffer solution is prepared by mixing acetic acid and sodium acetate. A) If the solution is to be buffered at pH = 5, what should be the molar ratio of sodium acetate to acetic acid? B) If the buffer is found to be 1.55M in acetic acid and 1.70M in sodium acetate, what will be the pH of the solution? C) If 0.15 mol of NaOH was added to the solution in B, what will be the pH of the solution? D) If the pH of the solution in B is 4.50, how many moles of HCl was added to the solution?
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 45P
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At 25oC, a 1-L buffer solution is prepared by mixing acetic acid and sodium acetate.
A) If the solution is to be buffered at pH = 5, what should be the molar ratio of sodium acetate to acetic acid?
B) If the buffer is found to be 1.55M in acetic acid and 1.70M in sodium acetate, what will be the pH of the solution?
C) If 0.15 mol of NaOH was added to the solution in B, what will be the pH of the solution?
D) If the pH of the solution in B is 4.50, how many moles of HCl was added to the solution?
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