You Wish to Prepare an HC₂H₃O₂ Buffer with a PH

question 17

Multiple Choice

You wish to prepare an HC₂H₃O₂ buffer with a pH of 5.14.If the pK_a of is 4.74,what ratio of C₂H₃O₂^-/HC₂H₃O₂ must you use?

• A) 0.10
• B) 0.30
• C) 0.40
• D) 2.51
• E) 5.0

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