College Chemistry Ii Phs 1035 Practice Exam 3 With Answer Key Page 27
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39181) The solubility of lead (II) chloride (PbCl 2 ) is 1.6 × 10 -2 M. What is the K sp of PbCl 2 ?
181)
A) 5.0 × 10 -4
B) 4.1 × 10 -6
C) 3.1 × 10 -7
D) 1.6 × 10 -5
E) 1.6 × 10 -2
182) The solubility of manganese (II) hydroxide (Mn(OH) 2 ) is 2.2 × 10 -5 M. What is the K sp of
182)
Mn(OH) 2 ?
A) 1.1 × 10 -14
B) 4.3 × 10 -14
C) 2.1 × 10 -14
D) 4.8 × 10 -10
E) 2.2 × 10 -5
183) Determine the K sp for magnesium hydroxide (Mg(OH) 2 ) where the solubility of Mg(OH) 2 is
183)
1.4 × 10 -4 M.
A) 2.7 × 10 -12
B) 1.1 × 10 -11
C) 2.0 × 10 -8
D) 3.9 × 10 -8
E) 1.4 × 10 -4
184) Calculate the maximum concentration (in M) of silver ions (Ag + ) in a solution that contains 0.025 M
184)
of CO 3 2- . The K sp of Ag 2 CO 3 is 8.1 × 10 -12 .
A) 1.8 × 10 -5
B) 1.4 × 10 -6
C) 2.8 × 10 -6
D) 3.2 × 10 -10
E) 8.1 × 10 -12
185) Calculate the maximum concentration (in M) of magnesium ions (Mg +2 ) in a solution that contains
185)
0.025 M of CO 3 2- . The K sp of MgCO 3 is 3.5 × 10 -8 .
A) 1.8 × 10 -5
B) 1.4 × 10 -6
C) 2.8 × 10 -6
D) 3.2 × 10 -10
E) 8.1 × 10 -12
186) What is the solubility (in M) of PbCl 2 in a 0.15 M solution of HCl? The K sp of PbCl 2 is 1.6 × 10 -5 .
186)
A) 2.0 × 10 -3
B) 1.1 × 10 -4
C) 1.8 × 10 -4
D) 7.1 × 10 -4
E) 1.6 × 10 -5
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