What is the value of Kb for the weak base? Chemistry What is the value of Kb for the weak base? a. 6.3 x 10^-6 b. 1.6 x 10^-9 c. 5.0 x 10^-4 d. 2.0 x 10^-11 e. 7.9 x 10^-13 Answer: B Share this Share on FacebookTweet on TwitterPlus on Google+