Answer E only Exercise onBuffer solutions1. 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 propanoatein 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 ofthe solution.e) Calculate the pH of the solution after 0.01 moles of HCI are added to 500 mL ofthe solution.f) Calculate the pH after 0.01 moles of NaOH is added to 500 mL of water.

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Answered: e) Calculate the pH of the solution…

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e) Calculate the pH of the solution after 0.01 moles of HCI are added to 500 mL of the solution.

Chemistry for Today: General, Organic, and Biochemistry

9th Edition

ISBN:9781305960060

Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Chapter9: Acids, Bases, And Salts

Section: Chapter Questions

Problem 9.109E

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Question

Answer E only

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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