Solutions and Solubility Study Guide EQT questions:
1.
2.2.
3.2.
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6.
What type of solution that contains all of the solute it can hold at a given temperature?
What type of solution that contains less solute than it is able to hold at a given temperature?
What type of solution that contains more solute than it can hold at a given temperature?
What is the term for a solution in which water is the solvent?
What is the general rule for solubility?
If a crystal is added to an aqueous solution and it causes many crystals to come out of the solution,
what type of solution was it originally?
7. What term describes two liquids that can be mixed together but separate shortly after you cease
mixing them?
8. What term describes two liquids that are soluble in each other?
What is the substance that is dissolved in a solution?
9.
10. What is the substance that dissolves a solute to form a solution?
11. What explains the solubility of ionic substances in water?
12.
6. According to the graph, about how many grams of KBr are needed to make a saturated solution in 100
g of water at 30°C.
13. According to the graph above, which salt is more soluble in water, KCl or KBr?
14. According to the graph, at what temperature is the solubility of KBr the same as that of KNO3?
15. According to the graph, how many grams of KCl will form a saturated solution in 100 g of water at
60°C?
16. According to the graph, if 50 grams of KCl were placed in 100 g of water at 0oC, what kind of solution
would be formed?
17.
SOLUBILITY OF SUBSTANCES IN WATER AT 20°C
Solid Substances
Solubility in g/100 g of Water
Lithium carbonate
Sodium nitrate
Lithium bromide
1.3
87.6
166.0
According to table above, how would you classify a solution that contains 1.5 g of lithium carbonate in
100 g of water at 20°C.
18.
1. Does increasing temperature generally increase the solubility of a solid solute in a solvent?
19.
2. What is the effect on the rate of solution if the surface area of a solid is increased?
20.
3. When a gas is dissolved in a liquid, what factor will increase the rate of solution?
21.
3. What combination of pressure and temperature would increase the solubility of a gas in a liquid?
22.
4.
Which factors listed below will speed up the dissolving of a solid solute in water?
5.
I. Cool the solution
6.
II. Heat the solution
7.
III. Grind up the solute
8.
IV. Decrease the surface area of the solute
23. A chemist is having some difficulty getting a yellow crystalline solid compound to dissolve in water.
Which of the following strategies might she employ to increase the solubility of the solid?
I. Crush the solid into a fine powder
II. Heat the solution
III. Stir the solution vigorously
IV. Add ice to the solution
24. A student pours a sample of a clear liquid – whose identify is unknown – into a test tube of water.
The water and the liquid form two distinct layers, with the unknown on the bottom. What is true of
the system?
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34.
What is the molarity of a solution made by dissolving 17.0 g of lithium iodide (LiI) in enough water
to make 500 mL of solution?
What is the molarity of a solution made by dissolving 34.0 g of sodium chloride (NaCl) in enough
water to make 500 mL of solution?
Calculate the molarity of a water solution of CaCl2, given that 5.04 L of the solution contains 612 g
of CaCl2.
Calculate the molarity of a water solution of KCl, given that 2.50 L of the solution contains 350 g of
KCl.
What would the final volume of a solution be if 25.0 mL of a 1.0 M stock solution is diluted to
0.50 ?
What is the molarity of a solution containing 9.0 moles of a solute in 500.0 mL of solution?
What would the final volume of a solution be if 6.0 mL of a 0.050 M stock solution is diluted to
0.20
What is the molarity of an aqueous solution containing 40.0 g of glucose (C6H12O6) in 1.5 L of
solution?
What is the molarity of an aqueous solution that contains 14.2 g NaCl dissolved in 2000.0 mL of the
solution?
If 40.0 ml of a 0.400 M solution of HCl is diluted to 50.0 ml, what will the final molarity be?