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    Exam 2: The Matrix of Life: Weak Interactions in an Aqueous Environment
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    You Have Been Asked to Determine the PK<sub>a</sub> of an Unknown
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You Have Been Asked to Determine the PKa of an Unknown

Question 1

Question 1

Multiple Choice

You have been asked to determine the pKa of an unknown acid. In a solution at pH 7.0, you find that 24% of the acid is in its deprotonated form. What is the pKa of the acid?


A) 7.9
B) 7.5
C) 6.5
D) 5.6
E) none of the above

Correct Answer:

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