PLEASE HELP!!!! A weak base, B, has a Kb value of 3.45 x 10-9. What is the Ka of HB+?...?

A weak base, B, has a Kb value of 3.45 x 10-9. What is the Ka of HB+? Use E notation and 3 significant figures.








THANKS!|||KaKb=Kw, so Ka=Kw/Kb;


Ka = 1.00E-14 / 3.45E-09 = 2.90E-06.