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 •Fig. 10.14 (a)                              The buffered and unbuffered solutions have the same pH level.
 
  
  
  
  
  
  
 Buffers solutions compared to unbuffere
 
  
  
   
   
   
   
   
   
   
   
   
   
   
   
  
  
  
 
  
  
  
  
  
  
 
 
 
 
 
 Fig. 10.14 (b)                              After adding 1mL of a 0.01 M HCl solution, the pH of the buffered solution has not perceptibly changed, but the unbuffered solution has become acidic.
  
 
  
  
 
  
 
  
 
 
 
 
 
 
 Ken O’Donoghue © Houghton Mifflin
 Company
  
 
 
 
 
 
 Ken O’Donoghue © Houghton Mifflin
 Company