A21 - 4.5 Acid-base equilibria Flashcards
1
Q
Brønsted acid
A
Proton donor
2
Q
Brønsted base
A
Proton acceptor
3
Q
Kw
A
Kw=[H+][OH−]
4
Q
Ka
A
Ka = [H+][ A-]
—————
[HA]
5
Q
pH
A
pH = -log10[H+]
6
Q
pKw
A
pKw = -log10[Kw]
7
Q
Buffer solution
A
A solution which resists changes in pH on addition of small amounts of acid or alkali.
8
Q
Monobasic acid
A
Donates one proton per molecule