Multiple Choice
The acid-dissociation constant of hydrocyanic acid (HCN) at 25.0°C is 4.9 × 10-10.What is the pH of an aqueous solution of 0.080 M sodium cyanide (NaCN) ?
A) 11.11
B) 2.89
C) 1.3 × 10-3
D) 7.8 × 10-12
E) 3.9 × 10-11
Correct Answer:
Verified
Correct Answer:
Verified
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