This question is about a buffer solution made by mixing together solutions containing ethanoic acid and sodium ethanoate.   a) If you add a small amount of an acid such as dilute hydrochloric acid to this, the pH doesn't change much. Explain what happens to the extra hydrogen ions you have added (think in terms of pkas, acid/base and conjugate acid/base).

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
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This question is about a buffer solution made by mixing together solutions containing ethanoic acid and sodium ethanoate.

 

a) If you add a small amount of an acid such as dilute hydrochloric acid to this, the pH doesn't change much. Explain what happens to the extra hydrogen ions you have added (think in terms of pkas, acid/base and conjugate acid/base).

 

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b) If you add a small amount of an alkali such as sodium hydroxide solution to the buffer solution, again the pH doesn't change much. There are two ways in which the extra hydroxide ions can be removed. What are they?


 
 
 
 
 
 
 
 
 
 
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