Weak Acid and Base Constants

• Kb = [NH4+][OH-]/[NH3]

• Ka = [NH3][H3O+]/[NH4+]

• KaKb = [NH4+][OH-][NH3][H3O+]/[NH3][NH4+]

  = [OH-][H3O+] = Kw
  

• KaKb = Kw

• pKa + pKb = pKw = 14.00

Previous slide

Next slide

Back to first slide

View graphic version