Solubility Review Questions Worksheet With Answers Page 7
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14SOLUBILITY REVIEW QUESTIONS
] that can exist in a solution of 1.0 10
2+
-3
26.
What is the maximum [Mg
M NaOH without
is 1.2 10
-11
precipitating Mg(OH)
? (K
for Mg(OH)
)
2
sp
2
a) 1.2 10
-8
M
b) 1.2 10
-5
M
c) 1.4 10
-4
M
d) 5.0 10
-4
M
27.
Which one of the following statements is TRUE about what occurs when 30.0 mL of
8.00 10
is mixed with 10.0 mL of 3.0 10
= 4.9
-8
-2
M CaNO
M NaF? (K
for CaF
3
sp
2
-11
10
)
a) The trial ion product is 4.5 10
-10
and a precipitate forms.
b) The trial ion product is 2.4 10
-10
and a precipitate forms.
c) The trial ion product is 3.4 10
-12
and a precipitate does not form.
d) The trial ion product is 4.5 10
-10
and a precipitate does not form.
28.
Which one of the following conditions will result in the formation of a precipitate of AgCl
when solid NaCl is added to a solution of silver nitrate (AgNO
)?
3
+
-
a) The product of the molar concentrations of aqueous Ag
and Cl
ions is less than the
K
for AgCl.
sp
b) No precipitate will occur unless the solution becomes saturated with NaCl first.
+
-
c) The product of the molar concentrations of aqueous Ag
and Cl
ions exceeds the
K
of AgCl.
sp
+
d) The concentration of aqueous Na
ions is greater than the concentration of the
+
aqueous Ag
ions.
in water is the 1.40 10
-5
29.
The solubility of Cd(OH)
M. What is the value of the
2
solubility product constant K
?
sp
a) 2.74 10
-15
b) 1.10 10
-14
c) 1.71 10
-10
d) 1.43 10
-5
30.
Which one of the following occurs when equal volumes of 0.20 Ba(NO
)
and 0.20 M
3
2
K
SO
are mixed?
2
4
a) No precipitate forms.
b) A precipitate of KNO
forms.
3
c) A precipitate of BaSO
forms.
4
d) Insufficient information is available to answer the question.
+
2+
31.
Which of these ions could be used to distinguish between Na
ions and Mg
ions in
solution?
+
a) H
-
b) Cl
2-
c) SO
4
-
d) OH
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