Problem: Which of the following could be added to a solution of sodium acetate to produce a buffer?  acetic acid                 hydrochloric acid                 potassium acetate             sodium chloride A) acetic acid only B) acetic acid or hydrochloric acid C) hydrochloric acid only D) potassium acetate onlyE) sodium chloride or potassium acetate

FREE Expert Solution

Recall that a buffer can be composed of the following:

weak base and its conjugate acid
weak acid and its conjugate base
weak acid and a strong base 

▪ concentration of weak acid > concentration of strong base

weak base and a strong acid 

concentration of weak base > concentration of strong acid


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Problem Details

Which of the following could be added to a solution of sodium acetate to produce a buffer? 

 acetic acid                 hydrochloric acid                 potassium acetate             sodium chloride 


A) acetic acid only 

B) acetic acid or hydrochloric acid 

C) hydrochloric acid only 

D) potassium acetate only

E) sodium chloride or potassium acetate

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