WorksheetsAP Chemistry SA2 Revision Quiz
Total questions: 69
Worksheet time: 2hrs 31mins
What is an example of a homogeneous mixture?
A mixture of oil and water
A mixture of sand and water
A mixture of iron filings and sulfur
A solution of salt and water
Give an example of a heterogeneous mixture.
Milk
Pure water
Sugar
Salad
What are the properties of homogeneous mixtures?
Visible boundaries between the substances
Non-uniform composition
The properties of homogeneous mixtures include uniform composition, even distribution of components, and no visible boundaries between the substances.
Uneven distribution of components
List the properties of heterogeneous mixtures.
Heterogeneous mixtures are always in a gaseous state
The properties of heterogeneous mixtures include the ability to be separated by physical means, such as filtration or settling, and the components do not have a uniform composition throughout the mixture.
The components of heterogeneous mixtures have a uniform composition throughout the mixture
Heterogeneous mixtures cannot be separated by physical means
Identify a heterogeneous mixture commonly found in nature.
Soil
Pure water
Iron
Air
Explain the distribution of particles in a heterogeneous mixture.
Particles in a heterogeneous mixture are only found in the top layer and cannot be separated by physical means.
Particles in a heterogeneous mixture are evenly distributed and can only be separated by chemical means.
Particles in a heterogeneous mixture are unevenly distributed and can be separated by physical means.
Particles in a heterogeneous mixture are evenly distributed and cannot be separated by physical means.
Describe the characteristics of a heterogeneous mixture.
A heterogeneous mixture contains only one type of substance and cannot be separated by physical means.
A heterogeneous mixture has no visible differences between substances or phases and cannot be separated by physical means.
A heterogeneous mixture has uniform composition and cannot be separated by physical means.
A heterogeneous mixture has visibly different substances or phases and can be separated by physical means.
What are the physical properties of a homogeneous mixture?
Different composition and inconsistent physical properties throughout the mixture.
Visible separation of components and varying physical properties.
Uniform composition and consistent physical properties throughout the mixture.
Unpredictable composition and unstable physical properties.
What are the physical properties of a heterogeneous mixture?
The physical properties of a heterogeneous mixture are uniform throughout the sample
All substances in a heterogeneous mixture are evenly distributed
Heterogeneous mixtures have consistent color, texture, and density
The physical properties of a heterogeneous mixture can vary throughout the sample, such as different colors, textures, and densities.
The substance being dissolved is called the ________
solvent
solid
solute
solvate
When no more solute dissolves the solution is _________
supersaturated
unsaturated
saturated
supercalifragilisticexpialidocious
Identify the solvent
A mixture with more solute dissolved in the solvent than is usually soluble is called:
concentrated
supersaturated
saturated
unsaturated
A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility
lowering the temperature of the solvent
stirring the solute in the solution
increasing the pressure on the solution
increasing the particle size of the solute
Is this a mixture or a solution?
Mixture
Solution
A mixture with more solute dissolved in the solvent than is usually soluble is called:
concentrated
supersaturated
saturated
unsaturated
When 20 grams of KNO₃ is disolved in water that's 80 C, it can be described as
Unsaturated
Saturated
Supersaturated
What solution has the highest solubility at 20 C?
CaCl3
NaNo3
KCl
KNO3
At what temperature does the solubility of NaCl, match the solubility of K2Cr2O7?
60
30
83
50
How many grams of K2Cr2O7, are able to disolve at 95 ºC?
63
75
12
83
Which is the most soluble at 0 C?
Water
NaCl
NaNo3
Kl
Which solute does not increase in solubility as the temurature increases?
NaCl
SO2
KClO3
KNO3
When 20 grams of KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be described as
Saturated
Unsaturated
Supersaturated
None
When 50 grams of KCl is dissolved at 50 ºC, the solution can be described as
Supersaturated
Unsaturated
Saturated.
None
When 40 grams of KCl is dissolved at 50 ºC, the solution can be described as
Saturated
Supersaturated
Unsaturated
None
When 20 grams of KNO3 is dissolved at 80 ºC, the solution can be described as
Saturated
Unsaturated
Supersaturated
None
When 20 grams of KNO₃ is disolved in water that's 80 C, it can be described as
Unsaturated
Saturated
Supersaturated
What solution has the highest solubility at 20 C?
CaCl3
NaNo3
KCl
KNO3
At what temperature does the solubility of NaCl, match the solubility of K2Cr2O7?
60
30
83
50
How many grams of K2Cr2O7, are able to disolve at 95 ºC?
63
75
12
83
Which is the most soluble at 0 C?
Water
NaCl
NaNo3
Kl
Which solute does not increase in solubility as the temurature increases?
NaCl
SO2
KClO3
KNO3
When 20 grams of KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be described as
Saturated
Unsaturated
Supersaturated
None
When 50 grams of KCl is dissolved at 50 ºC, the solution can be described as
Supersaturated
Unsaturated
Saturated.
None
When 40 grams of KCl is dissolved at 50 ºC, the solution can be described as
Saturated
Supersaturated
Unsaturated
None
When 20 grams of KNO3 is dissolved at 80 ºC, the solution can be described as
Saturated
Unsaturated
Supersaturated
None
What is the molarity of 3 mole of hydrochloric acid in 3 L of water.
3
1
6
9
How many cm3 of stock solution of 2.0 M NaCl do you need to prepare 100 cm3 of 0.150M NaCl?
7.5 cm3
15 cm3
1300 cm3
200 cm3
The term molar, which describes a solution's concentration, is written as?
M
mol
g
g/L
Calculate the Molarity in a solution containing 40.0 g of NaCl dissolved in 500.0 ml of H2O.
0.0800 M
12.5 M
1.37 M
0.740 M
Molarity is ...
grams of solute/deciliters of solvent.
grams of solute/liters of solution.
moles of solute/liters of solution.
moles of solute/milliliters of solvent.
A solution is made by dissolving 0.50 mole of NaCl in enough water to give a final volume of 400.0 cm3. What is the molarity of the solution?
0.10 M
0.40 M
1.25 M
2.33 M
How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (Mr = 58.45)?
What is the molarity of a solution made by diluting 26.5 cm3 of 6.00M HNO3 to a volume of 250 cm3 ?
15.9 M
0.636 M
0.642 M
1.59 M
If I have 340 cm3 of a 0.5 M NaBr solution, what will the concentration be if I add 560 cm3 more water to it?
0.30 M
3.78 M
0.389 M
1.76 M
How many mL of 10.8M HCl are required to make 100.0 cm3 of 3.00M acid?
27.8 cm3
0.278 cm3
2.8 cm3
278 cm3
What would the molarity of a solution be if you took 10 cm3 of a 13M stock solution and made a 300 cm3 solution?
390M
230M
0.43M
0.26M
What is the percent by mass of a solution made by dissolving 20.0 g of NaCl into 180.0 g of water?
10.0 %
11.1 %
80.0 %
20.0 %
What mass of water should be added to 22.0 g of KCl to make 5.50% by mass solution?
400 g
40 g
0.25 g
25 g
What is the percent concentration of sugar in pink lemonade if 28 g of sugar is added to 209 g of water?
14.7 %
5.14 %
13.4 %
8.47 %
11.8 %
What is the molarity of 0.068 mol of NaCl in 3.8 L of solution?
0.018 M
0.0011 M
1.052 M
0.062 M
How many moles of HNO3 would be needed to react with 85 mL of 0.75 M KOH?
110 mol
1.1 mol
.11mol
0.064 mol
64 mol
What is the molarity of a 30 mL HCl which is neutralized by 48 mL of 0.10 M NaOH?
HCl + NaOH --> H2O + NaCl
0.16 M
6.25 M
0.063 M
2Ca(s) + O2(g) → 2CaO(s), calcium is...
CuCl2 + NaOH → Cu(OH)2 + NaCl
Which product is insoluble?
CuCl2(aq) + NaOH(aq) → Cu(OH)2(s) + NaCl(aq)
