Multiple Choice
Which of the following statements is true?
A) At two pH units above the pKa, the carboxylate ion concentration exceeds the concentration of the carboxylic acid by a 100 to 1 ratio.
B) At two pH units above the pKa, the carboxylate ion concentration exceeds the concentration of the carboxylic acid by a 2 to 1 ratio.
C) At two pH units below the pKa, the carboxylate ion concentration exceeds the concentration of the carboxylic acid by a 2 to 1 ratio.
D) At two pH units below the pKa, the carboxylate ion concentration exceeds the concentration of the carboxylic acid by a 10 to 1 ratio.
E) At two pH units below the pKa the carboxylate ion concentration is equal to the carboxylic acid concentration.
Correct Answer:
Verified
Correct Answer:
Verified
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