20.3 The acid dissociation constant Ka
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How do you calculate Ka
Ka=10-pKa
What Ka value does a strong acid have
Large
Ka equation for ethanoic acid
[H+][CH3COO-] / [CH3COOH]
What does a strong acid do in aqueous solution
completely dissociate
what pKa value does a weak acid have
large
units for Ka
moldm-3
How do you calculate pKa
pKa = -logKa
what does a weak acid do in aqueous solution
partially dissociates
What Ka value does a weak acid have
small
What pKa value does a strong acid have
small
