CHEM 24112 Chapter Notes - Chapter 7: Copper(Ii) Chloride, Barium Chloride, Barium Sulfide

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29 Jun 2018

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Homework 7.1: Precipitation Reactions

1. What is a “driving force”? What are some of the driving forces discussed in this section that tend to

make reactions likely to occur? Can you think of any other possible driving forces?

2. When two solutions of ionic substances are mixed and a precipitate forms, what is the net charge of

the precipitate? Why?

3. Describe briefly what happens when an ionic substance is dissolved in water.

4. When aqueous solutions of sodium chloride, NaCl, and silver nitrate, AgNO3, are mixed, a

precipitate forms, but this precipitate is not sodium nitrate. What does this reaction tell you about the

solubility of NaNO3 in water?

5. On the basis of the general solubility rules, predict which of the following substances would not be

expected to be appreciably soluble in water.

a. manganese (II) chloride

b. lead (II) sulfide

c. iron (III) hydroxide

d. potassium fluoride

e. magnesium sulfate

f. iron (II) sulfide

g. potassium carbonate

h. calcium carbonate

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Related Questions

When each of the following pairs of aqueous solutions is mixed,does a precipitation reaction occur? If so, write the formula andname of the precipitate. (Type "NONE" in the blanks if there is noprecipitation reaction.)

(b) potassium carbonate + barium hydroxide

(a) sodium nitrate + copper(II) sulfate

(b) potassium chloride + iron(II) nitrate

(a) aluminum nitrate + sodium phosphate

explain**

1) Write a balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients.

A precipitate forms when aqueous solutions of chromium(II) chloride and lead(II) nitrate are combined.

Use the pull-down boxes to include states such as (s) or (aq).

1a) Write a balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients.

A precipitate forms when aqueous solutions of magnesium chloride and potassium hydroxide are combined.

Use the pull-down boxes to include states such as (s) or (aq).

1b) Consider the reaction when aqueous solutions of iron(III) sulfate and calcium chloride are combined. The net ionic equation for this reaction is:

1c) Consider the reaction when aqueous solutions of magnesium acetate and sodium sulfide are combined. The net ionic equation for this reaction is:

CHEM 24112 Chapter Notes - Chapter 7: Copper(Ii) Chloride, Barium Chloride, Barium Sulfide

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