Solubility Review Questions Worksheet With Answers Page 6
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14SOLUBILITY REVIEW QUESTIONS
is 3.2 10
-14
20.
K
for PbCO
. What is the solubility of PbCO
in moles per litre?
sp
3
3
a) 1.6 10
-14
b) 1.8 10
-7
c) 2.0 10
-5
d) 1.0 10
-27
21.
A solution of SrCl
is added to a solution of CuSO
and a precipitate forms. According
2
4
to the solubility table, the precipitate is probably
a) SrSO
4
b) CuCl
c) CuCl
2
d) Both SrSO
and CuCl.
4
22.
20.0 mL of 0.012 M AgNO
is added to 20.0 mL of 0.018 M NaBrO
. The K
for
3
3
sp
is 5.8 10
-5
AgBrO
. Which of the following statements is correct?
3
a) The trial ion product is 2.2 10
-4
and a precipitate will form.
b) The trial ion product is 2.2 10
-4
and a precipitate will not form.
c) The trial ion product is 5.4 10
-5
and a precipitate will form.
d) The trial ion product is 5.4 10
-5
and a precipitate will not form.
23.
According to the table of solubilities, what will happen when 0.1 M solutions of Ba(OH)
2
and Fe
(SO
)
are mixed.
2
4
3
a) No precipitates will form.
b) Only BaSO
will precipitate.
4
c) Only Fe(OH)
will precipitate.
3
d) Both BaSO
and Fe(OH)
will precipitate.
4
3
24.
The equation for the dissolving of Ag
SO
in water is
2
4
2 Ag
+
2-
Ag
SO
+ SO
2
4(s)
(aq)
4
(aq)
If Ag
SO
is in equilibrium with a saturated solution, which of the following will result
2
4(s)
in more Ag
SO
dissolving?
2
4(s)
a) Add H
SO
solution.
2
4
b) Add AgNO
.
3
c) Add more Ag
SO
.
2
4(s)
-
d) Add Cl
which precipitates AgCl.
The solubility of copper I bromide, CuBr is 2.0 10
-4
25.
mol / L. What is the value of K
sp
for CuBr?
a) 3.2 10
-11
M
b) 4.0 10
-8
M
c) 1.4 10
-2
M
d) 2.9 10
-2
M
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