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20 Nov 2021

Given information

The pH of the buffer solution = 

Step-by-step explanation

Step 1.

We know that, 

 

(I) In the buffer system  i.e. , the value of pKa is equal to  which is not in the range of given pH i.e.  . So, this buffer system  cannot be used to create a buffer with pH =
 
(II)  In the buffer system  i.e.  , the value of pKa is equal to which is not in the range of given pH i.e. . So, this buffer system is also cannot be used to create a buffer with pH =
 
(III)  In the buffer system  i.e.   , the value of pKa is equal to  which is not in the range of given pH i.e.  . So, this buffer system is also cannot be used to create a buffer with pH = 
 
 
Therefore,  the buffer system i.e.  has the pKa value is equal to which is in the range of given pH =  . So, this can be used to create a buffer with pH =  
 
 
  
 

 

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Principles of Chemistry Molecular Approach
3rd Edition, 2014
Tro
ISBN: 9780321971944

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