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Yes, Ka and Kb are only assigned to weak acids and bases because Ka and Kb are the equilibrium constants for the dissociation of acid or base in the water and if you have a value for Ka and Kb that means that the acid or base isn't fully dissociated yet and not being completely dissociated is related to weak acids and bases as strong acids and bases completely dissociate.
Bryan Chen 1H wrote:No, strong acids and bases also have Ka and Kb i think, it is just very large (and they also dissociate completely) so there's no real need to use it in problems
What, hypothetically, would be a situation that we use strong acids'/bases' Ka and/or Kb?
ABombino_2J wrote:All acids/bases have a Ka or a Kb but strong acids and bases have such large Ka and Kb's that they are considered to fully dissociate.
I agree. The larger of the value of these constant would indicate strong acids/bases.
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