Introduction to Solubility Equilibria
AP Chemistry · Flashcards · Application
AP CHEMISTRY · FLASHCARDS
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QUESTION
Which has higher solubility:
B
a
S
O
4
BaSO_4
B
a
S
O
4
or
S
r
S
O
4
SrSO_4
S
r
S
O
4
?
QUESTION
Calculate
K
s
p
K_{sp}
K
s
p
for
A
g
2
S
Ag_2S
A
g
2
S
with
[
A
g
+
]
=
2
x
[Ag^+] = 2x
[
A
g
+
]
=
2
x
and
[
S
2
−
]
=
x
[S^{2-}] = x
[
S
2
−
]
=
x
.
QUESTION
Which compound is more soluble:
C
a
F
2
CaF_2
C
a
F
2
or
S
r
F
2
SrF_2
S
r
F
2
?
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ANSWER
S
r
F
2
SrF_2
S
r
F
2
(higher
K
s
p
K_{sp}
K
s
p
value). Compare
K
s
p
K_{sp}
K
s
p
values directly for same formula type.
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