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Unit 9 Review
By Kristina Thibodeaux
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Last updated 2 months ago
11 questions
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Question 1
1.
Identify the solvent when sugar is dissolved in coffee.
Coffee
Water
Milk
Honey
Question 2
2.
If 0.8 moles of solute are dissolved in 20.0 L, molarity is?
8.0 M
0.04 M
16.0 M
4.0 M
Question 3
3.
What term is used to describe a solution that has reached its maximum solubility?
Unsaturated solution
Saturated solution
Super-saturated solution
Diluted solution
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Question 8
8.
What is the molarity of a solution with 15g of NaCl dissolved in 5.0L of water?
0.03 M
0.05 M
1.5 M
3.0 M
Question 9
9.
Which of the following is likely to form a precipitate?
NaCl
Mg(NO
3
)
2
K
2
SO
4
CaCO
3
Question 10
10.
Which of the following shows correct dissociation equation for K
2
SO
4
?
K
2
SO
4
(aq) -> K
+
(aq) + SO
4
2-
(aq)
K
2
SO
4
(aq) -> 2K
+
(aq) + SO
4
2-
(aq)
2K
2
SO
4
(aq) -> 4K
+
(aq) + 2SO
4
2
-(aq)
K
2
SO
4
(aq) -> 2K
+
(aq) + 2SO
4
2-
(aq)
Question 11
11.
If a 7.0M solution was diluted to 2.5 M 40 mL solution, what was the initial volume of the solution?
14.3 mL
112 mL
3.8 mL
100 mL
Question 4
4.
How much NaNO
3
must be dissolved in 100 g of water at 40C to create a saturate solution?
150
105
90
120
Question 5
5.
Dissolving 60 g of HCl into 100 g of water at 40C will yield what type of solution?
saturated
supersaturated
unsaturated
Question 6
6.
Which compounds solubility is least affected by temperature changes?
KI
NaCl
KNO
3
KClO
3
Question 7
7.
At what temperature does HCl have the same solubility in water as KNO
3
?
145C
40C
20C
80C
