WorksheetsSolutions Review
Total questions: 25
Worksheet time: 30mins
Which of these ionic compounds is most soluble in water?
NaClO3
SrSO4
PbCl2
Ca(OH)2
Which ion below always creates soluble ionic compounds, no matter what it is bonded with?
K+
Al+3
SO4-2
PO4-3
The chart below describes four trials of dissolving different solutes with various conditions in water at different temperatures of the water. Which of these trials would allow the greatest amount of solute to dissolve in water?
Trial 1
Trial 2
Trial 3
Trial 4
Which of the following ionic compounds is insoluble in water?
NaNO3
Al2(SO4)3
CaCl2
MgCrO4
Which of the following compounds would form an insoluble precipitate in water?
KCl
RbOH
BaSO4
(NH4)2S
What is the molarity of 83.0 grams of KI dissolved in 500.0 mL of water?
0.500 M
1.00 M
1.50 M
2.00 M
A solution that has a molarity of 1.50 M needs to be diluted to create 75.0 mL of a 0.250 M solution. How much of the 1.50 M solution should be used to make this dilution?
12.5 mL
62.5 mL
112 mL
450 mL
In order for a solution to be an electrolyte, the solute must
be a molecular compound.
restrict the flow of electricity.
create a saturated solution.
consist of positive and negative ions.
The best description of a supersaturated solution is a solution that–
contains more solute than is normally possible.
has equal amounts of solute and solvent.
could possibly dissolve more solute.
has dissolved the maximum amount of solute.
15 g of sugar cubes are dissolved in 120 g of water at 20o C. What could be done to increase the rate of dissolution?
Use larger sugar cubes
Stir the mixture
Cool down the water
Add an electrolyte to the water
Which method below will not speed up the rate of salt dissolving in water?
Increasing the surface area of the solute.
Decreasing the temperature of the solvent.
Stirring the solute into the solvent.
Heating the solvent before adding the solute.
The graph below illustrates the solubility of potassium chloride in water at a variety of temperatures. At what temperature does 30 g of KCl dissolved in 100 g of water create a saturated solution?
10oC
20oC
30oC
40oC
At what temperature would carbon dioxide gas, CO2(g)be most soluble in 100 g of water?
10 degrees C
25 degrees C
80 degrees C
100 degrees C
Which of the following best describes the components and properties of electrolytes? Electrolytes consist of
ions and are conductive.
metals and are non-polar.
nonmetals and are anions.
covalent bonds and are polar.
A particular solute dissolves in water to form a saturated solution at 80 degrees C. Which of the following changes would cause the solution to become supersaturated?
Increasing the amount of solvent.
Decreasing the temperature.
Decreasing the amount of solute.
Increasing the rate of stirring.
Which of these would decrease in solubility as temperature increased?
NaOH (s)
CaCO3 (s)
O2 (g)
NaCl (s)
The graph provided shows the solubility of potassium nitrate in water at a variety of temperatures. At approximately what temperature would 100 g of KNO3 dissolved in 100 g of water produce a saturated solution?
20 degrees C
40 degrees C
60 degrees C
80 degrees C
A 0.62 M solution with a volume of 0.90 L is diluted to form a 0.28 M solution. What is the new volume of the solution?
1.3 L
1.7 L
2.0 L
3.4 L
A 0.98 M solution of calcium chloride with a volume of 0.25 L is diluted to form a 0.74 M solution. What is the new volume of the solution, to the nearest hundredth of a liter?
0.25 L
0.33 L
0.45 L
0.75 L
What is the molarity of 53.0 grams of HCl dissolved in 400.0 mL of water?
0.275 M
1.75 M
2.83 M
3.63 M
Why does water have unique characteristics compared to other similar molecules?
Water molecules have strong intermolecular attractions.
Water molecules have very high viscosity.
Water molecules exist in aqueous solution.
Water has a very low specific heat and is nonpolar.
Many substances are soluble in water. Which property of water makes this possible?
water has polarity in its molecular structure.
water has the ability to cleanse itself through the water cycle.
water dissolves easily in the air, creating humidity.
water is found in large quantities around the world.
The different combinations of cations and anions created by the student is recorded in the data table shown. Which statement below best predicts the solubility of each combination in water?
Combination #1 = insoluble, Combination #2 = insoluble
Combination #1 = soluble, Combination #2 = soluble
Combination #1 = insoluble, Combination #2 = soluble
Combination #1 = soluble, Combination #2 = insoluble
Which statement below is generally true regarding factors that affect the solubility of solids in water?
As the pressure increases, the solubility increases.
As the pressure increases, the solubility increases.
Ions with greater charge are more soluble in water.
Nonpolar solids are more soluble in water than polar solids.
Which of the following compounds is soluble in water?
K2CO3
Al2(CO3)3
CaCO3
BaCO3
