strong vs weak

[KNguyen_1I]

For strong acids and bases, 14 = pH + pOH but for weak acids and bases we relate it with the equation that 14 = pKa + pKb just for clarification right?

[Jason Wu 1E]

I believe pH + pOH = 14 could be used for Strong and Weak acids and bases because you can calculate the pH of a weak acid. for pKa + pKb = 14, that equation should only apply to weak acids and bases because ions completely dissociate in strong acids and bases.

[Keya Jonnalagadda 1A]

I think both equations can be used for strong and weak acids, it's just that the pKa and pKb equation gives us information about the strength of an acid or base, and that information is not as useful or necessary when we are working with a strong acid or base. The pH and pOH equation definitely can be used for strong AND weak acids because all acids and bases have a pH.

[ThomasNguyen_Dis1H]

Yes you can use Kw=pOH+pH and Kw=pKa+pKb

[ThomasNguyen_Dis1H]

Yes you can use Kw=pOH+pH and Kw=pKa+pKb