12.4 weak acids & bases Flashcards

1
Q

how is an acid determined as an weak acid?

A

only slightly dissociate & forms equilibrium mixture

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2
Q

pKa =

A

-logKa

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3
Q

what assumption relating to Ka could be made?

A

[H+] = [A-] at equilbrium & initial [HA] is constant

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