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A Compound Has a PKa of 7

Question 18

Multiple Choice

A compound has a pKa of 7.4. To 100 mL of a 1.0 M solution of this compound at pH 8.0 is added 30 mL of 1.0 M hydrochloric acid. The resulting solution is pH:


A) 6.5.
B) 6.8.
C) 7.2.
D) 7.4.
E) 7.5.

Correct Answer:

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