if-the-ka-of-a-weak-acid-is-40-x-10-6-what-is-the-kb-of-its-conjugate-base-at-25

Question

If the K_{a} of a weak acid is 4.0 x $$10^{-6}$$, what is the K_{b} of its conjugate base at 25°C?

Accepted Answer

K_{b} = 2.5 x $$10^{-9}$$

Answer

K_{b} = 2.5 x $$10^{-7}$$

Answer

K_{b} = 2.5 x $$10^{-8}$$

Answer

K_{b} = 2.5 x $$10^{-6}$$

If the Ka of a weak acid is 4.0 x 10-6, what is the Kb of its conjugate base at 25°C?