Problem: Select all that apply and explain:-The pH of a buffer solution is always 7.-The pH of a buffer solution depends on the pKa of the acid.-The pH of a buffer solution depends on the ratio of acid to base.

FREE Expert Solution

Calculate pH of buffers using Henderson-Hasselbalch equation:


pH=pKa+logconjugate baseweak acid

  • pH = 7 → neutral 
  • Buffers cannot be neutral 
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Problem Details

Select all that apply and explain:

-The pH of a buffer solution is always 7.

-The pH of a buffer solution depends on the pKa of the acid.

-The pH of a buffer solution depends on the ratio of acid to base.

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