Review Flashcards
1
Q
As K increase, pka ______
A
decrease
2
Q
strong acids will have ____ pka’s
A
smaller
3
Q
Fraction of the acid in form A- and H+
A
Fraction of disassociation (ɑ)
4
Q
Resists changes in pH by when acids or bases are added or when dilution occurs.
A
Buffers
5
Q
A buffer must contain significant amounts of both and not just one within a factor of
A
10
6
Q
buffer is the best when
A
pH = pka
7
Q
A buffer can be destroyed by adding….
A
too much acid or base
8
Q
Measure how well a solution resists changes in pH when strong acid or base is added
A
buffer capacity (β)
9
Q
both positive and negative site
A
zwitterion
10
Q
Describes the distribution of analyte among possible species.
A
speciation
