Multiple Choice
A 0.240 M solution of the salt NaA has pH = 8.40. Calculate Ka for the acid HA.
A) 2.63 × 10-11
B) 3.80 × 10-4
C) 1.05 × 10-5
D) 6.60 × 10-17
E) none of these
Correct Answer:
Verified
Correct Answer:
Verified
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