16.7 Weak Bases

• Concepts and calculations are similar to those for weak acids.

• B(aq) + H2O(l) ? BH+(aq) + OH-(aq)

• Kb = [BH+][OH-]/[B]

• Most common weak bases are amines (NH3) or conjugate bases of weak acids.

• See Table 16.4 for some representative values of Kb.

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