Multiple Choice
What is the approximate pKa of a weak acid HA if a solution 0.1 M HA and 0.3 M A- has a pH of 6.5?
A) 5) 8
B) 6) 0
C) 6) 2
D) 6) 4
E) 6) 6
Correct Answer:

Verified
Correct Answer:
Verified
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