Introduction to Solutions WS

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Introduction to Solutions WS
Name ___________________________
period _____
Part I – Vocabulary
1. Solubility: match the term to the correct definition below
_____ solute
a. a substance that will not dissolve in a solvent
_____ solvent
b. holding more solute than can be dissolved
_____ soluble
c. largest part of a solution; substance doing the dissolving
_____ insoluble
d. very little solute dissolved in a solution
_____ miscible
e. two liquids soluble in each other
_____ immiscible
f. the maximum amount of solute dissolved in a solvent
_____ saturated
g. smallest part of a solution; substance being dissolved
_____ unsaturated
h. two liquids not soluble in each other
_____ supersaturated
i. a substance that will readily dissolve in a solvent
_____ electrolyte
j. solution in which the solute is dissolved in water
_____ aqueous solution
k. substances that form charged particles in solution and conduct electricity
Part II – Short Answer Questions
1. Explain the difference between a homogeneous and a heterogeneous mixture.
2. Give an example of a solute and an example of a solvent.
3. What states of matter can solutions consist of?
4. Explain the difference between soluble and insoluble. Give an example of a substance soluble in water and a
substance insoluble in water.
5. Explain the terms miscible and immiscible and give an example of each.
6. What is the difference between a soluble substance and a miscible substance?
7. Describe the Tyndall Effect and the type of mixture it affects.
8. What are the three factors that affect the rate of solvation?
9. What is an aqueous solution?
10. What is the solute in a brass alloy containing 75% copper and 25% xinc?
11. What happens to the following types of solutions if you add more solute?
a. saturated:
b. unsaturated:
c. supersaturated:
12. What is the universal solvent?
13. Do solutions always have a liquid part? Give an example.
14. Why does grinding solid crystals increase the rate of dissolving of a solid solute in water?
15. Given two cups of coffee, which can dissolve more sugar: hot coffee or coffee at room temperature? Explain.
16. Calculate the solubility of carbon dioxide in water at 0 °C and a pressure of 3.00 atm. The solubility of carbon
dioxide is 0.348 g/100 mL water at 0 °C and 1.00 atm. Show your work!
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