f) Calculate the pH after 0.01 moles of NaOH is added to 500 mL of water.

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Exercise on
Buffer solutions
1. a) What is meant by the term "buffer solution"?
b) Calculate the pH of a buffer solution which contains the weak monoprotic acid,
propanoic acid (CH₂CH₂COOH), in concentration 0.1 mol/L and sodium propanoate
in concentration 0.05 mol/L. K, of propanoic acid is 1.26 x 10³ mol/L.
c) Give equations to show how the above solution fulfills its buffer function.
d) Calculate the pH of the solution after 0.01 moles of NaOH are added to 500 mL of
the solution.
e) Calculate the pH of the solution after 0.01 moles of HCI are added to 500 mL of
the solution.
f) Calculate the pH after 0.01 moles of NaOH is added to 500 mL of water.
Transcribed Image Text:Exercise on Buffer solutions 1. a) What is meant by the term "buffer solution"? b) Calculate the pH of a buffer solution which contains the weak monoprotic acid, propanoic acid (CH₂CH₂COOH), in concentration 0.1 mol/L and sodium propanoate in concentration 0.05 mol/L. K, of propanoic acid is 1.26 x 10³ mol/L. c) Give equations to show how the above solution fulfills its buffer function. d) Calculate the pH of the solution after 0.01 moles of NaOH are added to 500 mL of the solution. e) Calculate the pH of the solution after 0.01 moles of HCI are added to 500 mL of the solution. f) Calculate the pH after 0.01 moles of NaOH is added to 500 mL of water.
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