What Is the Ratio of Protonated to Unprotonated Lactic Acid

question 9

Multiple Choice

What is the ratio of protonated to unprotonated lactic acid in a 0.1 M solution of lactic acid at pH 5.86? (pKa of lactic acid is 3.86)

• A) 1:100
• B) 1:10
• C) 1:1
• D) 10:1
• E) (1:1)