Multiple Choice
Calculate [H+] in a 0.012 M solution of HCN, Ka = 6.2 10-10.
A) 3.0 10-7 M
B) 3.7 10-9 M
C) 6.2 10-10 M
D) 2.7 10-6 M
E) 2.3 10-4 M
Correct Answer:

Verified
Correct Answer:
Verified
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