Strong Acid / Weak Base Rx
What is the equilibrium constant for the reaction of HCl with ammonia (NH3)?
NH3 + H2O ? NH4+ + OH- Kb=1.8 x 10-5
H3O+ + OH- ? 2 H2O 1/Kw=1.0 x 1014
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net: NH3 + H3O+ ? NH4+ + H2O Kb/Kw=1.8 x 109