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- 1. Multiple Choice
Which of the following operations yields the number of moles of solute?
molarity x mass of solution
moles of solution / volume of solution
molarity x moles of solution
molarity x liters of solution
- 2. Multiple Choice
In which of the following is the solution concentration expressed in terms of molarity?
- 3. Multiple Choice
Which of the following is not a trait of solutions?
solutions are homogenous
the physical state of the solution is the same as the solvent
the physical state of the solution is the same as the solute
the dissolved solute will not settle
- 4. Multiple Choice
Which of the following is milk an example of?
solid dispersed in gas
liquid dispersed in a solid
liquid dispersed in liquid
solid dispersed in a liquid
- 5. Multiple Choice
What is the molality of a solution containing 8.0 grams of solute in 0.50 kg of solvent? (molar mass of solute = 24 g)
0.67m
1.67m
0.17m
4m
- 6. Multiple Choice
Which of the following occurs as temperature increases?
Solubility remains the same.
Molarity doubles
Solubility increases
Solubility decreases .
- 7. Multiple Choice
The Tyndall effect is seen
in pop
in space
in Europe
in spotlights at night
- 8. Multiple Choice
Which IMF releases energy when attractions are made (exothermic reaction)
none of the above
solvent-solute
solven-solvnet
solute-solute
- 9. Multiple Choice
What is the number of moles of solute in 250 mL of a 0.4M solution?
0.62 mol
0.16 mol
1.6 mol
0.1 mol
- 10. Multiple Choice
The molality of a solution containing 8.1 moles of solute in 4847 g of solvent is ____.
1.7m
0.17m
598m
39m
- 11. Multiple Choice
Which of the following is not true of colloids?
Colloids are prepared by condensation
Colloids are prepared by dispersion
Colloids are prepared from vaporization
Milk is a colloid
- 12. Multiple Choice
The solubility of a gas in a liquid is ____.
proportional to the square root of the pressure of the gas above the liquid
directly proportional to the pressure of the gas above the liquid
inversely proportional to the pressure of the gas above the liquid
unrelated to the pressure of the gas above the liquid
- 13. Multiple Choice
An example of an emulsifying agent is
Soap
Clouds
Jell-o
Gel
- 14. Multiple Choice
Which of the following is NOT an intermolecular force within a solution?
solvent-solvent
all of the above are correct
solute-solute
solvent-solute
- 15. Multiple Choice
What is the molarity of a solution that contains 6 moles of solute in 2 liters of solution?
12M
6M
3M
7M
- 16. Multiple Choice
Which of the following is an expression of molality?
- 17. Multiple Choice
An example of a liquid dispersed in a solid is
Jell-o
fog
smoke
foam
- 18. Multiple Choice
What is the molarity of a solution containing 56 grams of solute in 959 mL of solution? (molar mass of solute = 26 g/mol)
2.1M
2.2M
0.0022M
1.5M
- 19. Multiple Choice
Which is true of solute-solute IMFs?
the cation and anion forces must be overcome for a solution to occur
the hydrogen bonds must be overcome for a solution to occur
the cation and anion forces must be made for a solution to occur
the hydrogen bonds must be made for a solution to occur
- 20. Multiple Choice
In a concentrated solution there is ____.
a small amount of solute
no solvent
no solute
a large amount of solute
- 21. Multiple Choice
What is the molarity of a solution containing 7.0 moles of solute in 569 mL of solution?
12M
81M
0.081M
4.0M
- 22. Multiple Choice
What is the mole fraction of ethanol in a solution of 3.00 moles of ethanol and 5.00 moles of water?
13
0.6
1.67
0.375
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