Main Classes of Weak Bases: nitrogen-containing molecules (ammonia
and amines) and anions of weak acids.
Ammonia:
NH3(aq) + H2O(l) NH4+(aq) + OH-(aq) Kb = 1.76 x 10-5 (25 oC)
Amines:
RNH2, R2NH and R3N: all have a lone pair of electrons that
can bind a proton donated by an acid
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