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Hydrolysis constant : ウィキペディア英語版
Hydrolysis constant
A hydrolysis constant is an equilibrium constant for a hydrolysis reaction.〔(Definition of hydrolysis_constant - Chemistry Dictionary )〕
For example, if a metal salt such as AlCl3 dissolves in an aqueous solution, the metal cation behaves as a Lewis acid and hydrolyzes the water molecules in the solvent.〔Research and Education Association. ''The best test preparation for the GRE Chemistry test.'', 2000. ISBN 0-87891-600-8. Page 87.〕
:Al3+ + 2H2O → AlOH2+ + H3O+
The hydrolysis constant for this reaction is as shown:
:Khydrolysis = ()
* () / ()
In a more generalized form, the hydrolysis constant can be described as:
:Ka = ()
* () / ()
where A represents any base, and HA represents any acid.〔(Hydrolysis )〕
== References ==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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