Multiple Choice
What is the pKa for the acid HA if a solution of 0.65 M HA and 0.85 M NaA has a pH of 4.75?
A) < 4.00
B) 4.63
C) 4.87
D) 5.02
E) > 5.50
Correct Answer:

Verified
Correct Answer:
Verified
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