9. pH Flashcards
1
Q
pH =
A
pH = -log [H+]
2
Q
defined as the negative log of Hydrogen ion conc .
A
pH
3
Q
normal pH
A
7.35-7.45
4
Q
proton donors
A
Acids
5
Q
proton acceptors
A
Bases
6
Q
express the strengths of WA
A
pKa
7
Q
pH below the pKa
A
more protonated
8
Q
pH above the pKa
A
more unprotonated
9
Q
•resist a change in PH when protons are produced or consumed
A
buffers
10
Q
physiologic buffers
A
- bicarbonate
- orthophosphate
- proteins
11
Q
used to calculate the conc of weak acid [HA] and its conjugate base in aq soln
A
Henderson Hasselbach eqn