Solubility Principles Worksheet
This worksheet covers fundamental concepts of solubility, including factors affecting it, types of solutions, and calculations.
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Solubility Principles Worksheet
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Read each question carefully and answer to the best of your ability. Show all work for calculations.
1. Which of the following statements best describes the term 'solubility'?
The ability of a solvent to dissolve a solute.
The maximum amount of solute that can dissolve in a given amount of solvent at a specific temperature.
The rate at which a solute dissolves in a solvent.
The concentration of a saturated solution.
2. Increasing the temperature generally increases the solubility of:
Gases in liquids.
Solids in liquids.
Both gases and solids in liquids.
Neither gases nor solids in liquids.
3. The principle 'like dissolves like' means that polar solvents tend to dissolve solutes, and nonpolar solvents tend to dissolve solutes.
4. A solution that contains the maximum amount of solute that can be dissolved at a given temperature is called a solution.
5. The solubility of a gas in a liquid is directly proportional to the partial pressure of the gas above the liquid. This is known as Law.
6. Stirring a solution increases the solubility of a solute.
True
False
7. For most ionic solids, solubility increases as temperature decreases.
True
False
8. Explain why sugar (a polar molecule) dissolves readily in water (a polar solvent), but oil (a nonpolar molecule) does not.
9. Describe the effect of increasing pressure on the solubility of a gas in a liquid. Provide a real-world example.
10. Consider the following solubility curve for potassium nitrate (KNO₃) in water.
a) What is the approximate solubility of KNO₃ at 40°C?
b) If 80 g of KNO₃ are added to 100 g of water at 20°C, would the solution be saturated, unsaturated, or supersaturated? Explain.
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