Chemistry 12 Solubility Review2

Topics: Concentration, Chemistry, Solubility Pages: 11 (1077 words) Published: December 1, 2014
Chemistry 12

Unit 3 - Solubility of Ionic Substances

Chemistry 12
Review Sheet on Unit 3
Solubility of Ionic Substances
1.

Identify each of the following as ionic or molecular substances: a) NaCl(aq) ........................................................___________________________________ b) CH 3COOH(aq) ..........................................___________________________________ c) CCl4(l)

...................................................___________________________________

d) HNO3(aq)
e) C2H6(l)
2.

................................................___________________________________

......................................................___________________________________

A good way to test a liquid to see if it contains ions is to

________________________

________________________________________________________________________ 3.

Define a saturated solution

______________________________________________

______________________________________________________________________ 4.

Define an unsaturated solution

__________________________________________

______________________________________________________________________ 5.

What is meant by solubility ?

____________________________________________

______________________________________________________________________ 6.

On the “Solubility Table”, what, precisely, does the word soluble mean?

____________

______________________________________________________________________

Unit 3 Review Sheet

Page 1

Chemistry 12

7.

What is meant by a polar molecule ?

Unit 3 - Solubility of Ionic Substances

______________________________________

______________________________________________________________________ ______________________________________________________________________ 8.

Draw a diagram of a water molecule showing the polarity.

9.

The process of an ionic solid breaking down into individual ions is called

10.

Given a saturated solution of sodium acetate, outline the procedure you could use to determine the solubility of sodium acetate at that particular temperature in grams per 100 mL.

11.

Does an increase in temperature always increase the rate of dissolving? _____________

12.

Does an increase in temperature always increase the solubility of a substance in

___________

water?____________________. Explain.

Unit 3 Review Sheet

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Chemistry 12

13.

Unit 3 - Solubility of Ionic Substances

A chemistry stockroom contains a bottle of 12.0 M HCl. A teacher needs to make up 800.0 mL of a 3.0 M solution of HCl. What volume of the stock solution (12.0 M) does the teacher need to use?

Answer_______________________
14.

A chemistry student dilutes a 0.20 M solution by adding 200.0 mL of water to 50.0 mL of the original solution. Calculate the molar concentration of the final solution.

Answer_______________________
15.

A student has 600.0 mL of a 0.30 M solution of HNO3. How much water must she add in order to make it a 0.15 M solution? (Be careful that you answer the question!)

Answer_______________________

Unit 3 Review Sheet

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Chemistry 12

16.

Unit 3 - Solubility of Ionic Substances

If 25.0 mL of 0.90 M HCl is added to 125.0 mL of water, what is the final [HCl]?

Answer_______________________
17.

Calculate the [Fe3+] in a 0.25 M solution of Fe2(SO4)3 ?

Answer_______________________
18.

Calculate the [Na+] in a 0.55 M solution of sodium acetate. (Write the proper formula for sodium acetate first.)

Answer_______________________
19.

Calculate the [Na+] in a 0.55 M solution of sodium carbonate. (Write the proper formula for sodium carbonate first.)

Answer_______________________
20.

Calculate the [Na+] in a 0.55 M solution of sodium phosphate. (Write the proper formula for sodium phosphate first)

Answer_______________________

Unit 3 Review Sheet

Page 4

Chemistry 12...
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