What is the pH of a solution that is 0.20 M in HCN and 0.15 M in KCN?

What is the pH of a solution that is 0.20 M in HCN and 0.15 M in KCN?

What is the pH of a solution that is 0.20 M in HCN and 0.15 M in KCN?




a. 7.60
b. 8.40
c. 8.80
d. 9.27
e. 10.10



Answer: D