What is the Ka reaction of HCN?

Question

Question

K_a reaction _______

The K_a of HCN is 6.2 x 10^-10. What is the K_b value for CN^- at 25 °C?

Answer 1

Answer #1

Ka fo HCN = 6.2 x 10^-10

Ka x Kb = Kw

Kb = Kw / Ka

Kb = 1.0 x 10^-14 / 6.2 x 10^-10

Kb = 1.6 x 10^-5

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Answer 2

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