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dissociation constant

Syllabification: dis·so·ci·a·tion con·stant

Definition of dissociation constant in English:

noun

Chemistry
A quantity expressing the extent to which a particular substance in solution is dissociated into ions, equal to the product of the concentrations of the respective ions divided by the concentration of the undissociated molecule.
Example sentences
  • This dissociation constant is more than 100 times less than the dissociation constant for monomeric thiazole orange.
  • The relationship among the species present in solution, however, is still governed by the dissociation constant (K a) for the weak acid, acetic acid.
  • The dissociation constant of the complex ion is written analogously.

Definition of dissociation constant in:

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