chem 116 quiz 9 Flashcards
1
Q
nearly all salts are
A
strong electrolytes
2
Q
larger Ka means (weaker/stronger) acid
A
stronger
3
Q
larger Kb means (weaker/stronger) base
A
stronger
4
Q
anions derived from ? do not hydrolyze (spectator ions). they are ?
A
strong acids; they are Cl-, Br-, I-, NO3-, SO42-, ClO4-
5
Q
cations derived form ? do not hydrolyze (spectator ions). they are ?
A
strong bases; Li+, Na+, K+, Ca2+, Sr2+, Ba2+
6
Q
how does the salt of strong acid strong base affect pH
A
it doesn’t
7
Q
how does the salt of weak acid strong base affect pH
A
increases
8
Q
how does the salt of strong acid weak base affect pH
A
decreases
9
Q
how does the salt of weak acid weak base affect pH
A
? - need to compare Ka, Kb values
10
Q
a buffer is made of
A
a weak acid and its conjugate base
