Multiple Choice
The pKa of a weak acid was determined by measuring the pH of a solution containing the weak acid at 0.40 M and its conjugate base at 0.60 M. The measured pH was 7.8. What is the pKa of the weak acid?
A) 8.0
B) 7.8
C) 7.6
D) 7.0
E) 7.4
Correct Answer:
Verified
Correct Answer:
Verified
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