Multiple Choice
The pH of 0.255 M HCN is 4.95.What is the value of Ka for hydrocyanic acid?
A) 1.3 × 10-10
B) 4.9 × 10-10
C) 1.1 × 10-5
D) 4.4 × 10-5
Correct Answer:

Verified
Correct Answer:
Verified
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