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- 1. Multiple Choice
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K2Cr2O7?
60oC
30oC
50oC
83oC
- 2. Multiple Choice
How many grams of K2Cr2O7, are soluble in 100 g of water at 95oC?
83 grams
75 grams
40 grams
12 grams
- 3. Multiple Choice
Which substance is MOST soluble at 0oC?
KI
NaNO3
NaCl
Ce2(SO4)3
- 4. Multiple Choice
When 20 grams of potassium chlorate, KClO3, is dissolved in 100 g of water at 80oC, the solution can be correctly describe as:
supersaturated
saturated
unsaturated
- 5. Multiple Choice
When 42 grams of potassium chloride, KCl, is dissolved in 100 grams of water at 50oC, the solution can be correctly described as:
supersaturated
saturated
unsaturated
- 6. Multiple Choice
What temperature does the solubility of NaCl match KNO3?
50oC
40oC
35oC
25oC
- 7. Multiple Choice
Which solute does not increase in solubility as the temperature increase?
NaCl
SO2
KClO3
KNO3
- 8. Multiple Choice
At what temperature can you fully dissolve 140g of NaNO3?
62
73
81
You cannot determine this
- 9. Multiple Choice
It is the medium in which matter is dissolved.
Solubility
Solution
Solvent
Solute
- 10. Multiple Choice
These are a type of homogenous mixture where two or more substances are present. It can be a solid, liquid, or gas.
Solution
Solubility
Solvent
Solute
- 11. Multiple Choice
It is the matter that dissolves in solvent.
Solubility
Solution
Solvent
Solute
- 12. Multiple Choice
It is the measurement of how easily a solute dissolves in a certain solvent.
Solubility
Solution
Concentration
Dilute
- 13. Multiple Choice
You can make a solute dissolve more quickly in a solvent by
adding more solute
adding ice
heating the solvent
removing some solvent
- 14. Multiple Choice
Which of the following would result in being able to dissolve a greater amount of solid in a solution?
Lower the temperature
Decrease the pressure of the solution
Heat the solution
- 15. Multiple Choice
What combination would dissolve a solid solute the fastest?
High temperature, no stirring
No heat, no stirring
Sugar cube, no heat
High temperature, stirring
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