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116.2mL  of a  0.5100M  solution of butanoic acid  HC3H7CO2  with a  0.5000M  solution of  NaOH . The  pKa  of butanoic acid is  4.82 . Calculate the pH of the acid solution after the chemist has added  139.9mL  of the

116.2mL  of a  0.5100M  solution of butanoic acid  HC3H7CO2  with a  0.5000M  solution of  NaOH . The  pKa  of butanoic acid is  4.82 . Calculate the pH of the acid solution after the chemist has added  139.9mL  of the

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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An analytical chemist is titrating

116.2mL

 of a 

0.5100M

 solution of butanoic acid 

HC3H7CO2

 with a 

0.5000M

 solution of 

NaOH

. The 

pKa

 of butanoic acid is 

4.82

. Calculate the pH of the acid solution after the chemist has added 

139.9mL

 of the 

NaOH

 solution to it.

 

Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of

NaOH

 solution added.

 

Round your answer to

2

 decimal places.

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