Solubility Review Questions Worksheet With Answers Page 9
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14SOLUBILITY REVIEW QUESTIONS
39.
In which of the following solutions is Pb(CH
COO)
MOST soluble?
3
2
a) 0.1 M HNO
3
b) 0.1 M NaNO
3
c) 0.1 M NaCH
COO
3
d) 0.1 M Ca(CH
COO)
3
2
40.
BaSO
has a low solubility in water. The equation for the dissolving of BaSO
is
4
4
+ energy Ba
2+
2-
BaSO
+ SO
4 (s)
(aq)
4
(aq)
Which of the following changes would increase the solubility of BaSO
?
4 (s)
a) Add Na
SO
.
2
4
b) Add Ba(NO
)
.
3
2
c) Add more water.
d) Increase the temperature.
41.
A solution that will not dissolve additional solute is
a) insoluble.
b) saturated.
c) unsaturated.
d) unsolvated.
42.
When gold (III) chloride, AuCl
, is dissolved in water, analysis would show that
3
-
3+
a) [Cl
] = [Au
]
] = 3 [Au
-
3+
b) [Cl
]
-
3+
3
c) [Cl
] = [Au
]
] = ⅓ [Au
-
3+
d) [Cl
]
43.
When equal volumes of 0.20 M solutions of the following solutes are mixed, which
combination will produce a precipitate?
a) K
S and NaOH
2
b) BaBr
and NaOH
2
c) MgCl
and NaOH
2
d) (NH
)
SO
and NaOH
4
2
4
44.
What is the net ionic equation for the precipitation reaction when aqueous solutions of
Na
CO
and AgNO
are mixed?
2
3
3
Ag
a) 2 AgNO
+ Na
CO
CO
+ 2 NaNO
3 (aq)
2
3 (aq)
2
3 (s)
3 (aq)
+
2-
2 Ag
b) Ag
CO
+ CO
2
3 (s)
(aq)
3
(aq)
+
2-
Ag
c) Ag
+ CO
CO
(aq)
3
(aq)
2
3 (s)
+
2-
Ag
d) 2 Ag
+ CO
CO
(s)
(aq)
3
(aq)
2
3
45.
Which of the following salts is LEAST soluble in water?
= 8.5 10
-45
a) CuS
K
sp
= 7.4 10
-21
b) CuCO
K
3
sp
= 5.3 10
-9
c) CuBr
K
sp
= 1.2 10
-6
d) CuCl
K
sp
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