Chemistry-
General
Easy

Question

When 0.1 mole of an acid is added to 2 L of a buffer solution, the P to the power of H end exponent of the buffer decreases by 0.5 the buffer capacity of the solution is

  1. 0.6    
  2. 0.4    
  3. 0.2    
  4. 0.1    

The correct answer is: 0.1

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