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Suppose: B- is symbol for any (soluble) base.
Equilibrium of a base when diluted in water:
B- + H2O <==> HB + OH-
Equilibrium constant:
Keq = [HB] * [OH-] / [B-] * [H2O]
The base dissociation contant is defined by:
KB = [HB]*[OH-]/[B-]So, KB = Keq*[H2O] = Keq*55.6 mol/L
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoa base dissociation constant is the rate of the equilibrium that is reached when a weak base is added to water, producing it's conjugate acid and hydroxide ions.
Wiki User
∙ 9y agoThe base that has the smallest base dissociation constant is ammonia. It is a weak base and would ionize the least.
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