Multiple Choice
A 0.050 M solution of the weak acid HA has [H3O+] = 3.77 × 10−4 M. What is the Ka for the acid?
A) 7.5 × 10 −3 M
B) 2.8 × 10 −6 M
C) 7.0 × 10 −7 M
D) 7.0 × 10 −8 M
E) 2.6 × 10 −11 M
Correct Answer:
Verified
Correct Answer:
Verified
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