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I understand how in lecture Mr Lavelle told us that the Kb of a weak acid was Kw over the Ka. But does this represent the Kb of that same compound, or the Kb of its conjugate base? For example, would the Kb calculated from the Ka of HSO4 be the Ka of HSO4 or the Ka of H2SO4?
When you’re given Kb of a base and you calculate for Ka, then that Ka is of the conjugate acid of that base. Similarly , if you’re given the Ka of an acid and calculate Kb, then that Kb is for the conjugate base of that acid. Hope this helps !
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