Chapter 4Aqueous Reactions and Solution

Stoichiometry

Chemistry: The Central Science, 10th editionTheodore L. Brown, H. Eugene LeMay, Jr., and Bruce E. Bursten

Todd Austell, The University of North Carolina 2006, Pearson Prentice Hall

a.1. KCN(aq)

2. K+(aq) and CN–

(aq)

3. K–(aq) and CN+

(aq)

4. K+(aq), C4–

(aq), and N3+(aq)

a.1. KCN(aq)

2. K+(aq) and CN–

(aq)

3. K–(aq) and CN+

(aq)

4. K+(aq), C4–

(aq), and N3+(aq)

b. 1. NaClO4(aq)

2. Na+(aq) and 4ClO–

(aq)

3. Na+(aq), Cl–

(aq) and 4O2–(aq)

4. Na+(aq) and ClO4

–(aq)

b. 1. NaClO4(aq)

2. Na+(aq) and 4ClO–

(aq)

3. Na+(aq), Cl–

(aq) and 4O2–(aq)

4. Na+(aq) and ClO4

–(aq)

1. Cannot determine without concentration information.

2. Both will cause the lightbulb to glow with equal brightness.

3. MgBr2

4. CH3OH

1. Cannot determine without concentration information.

2. Both will cause the lightbulb to glow with equal brightness.

3. MgBr2

4. CH3OH

1. Cannot determine without concentration information.

2. HBr 3. H2SO3

4. HC2H3O2

1. Cannot determine without concentration information.

2. HBr 3. H2SO3

4. HC2H3O2

1. H2(g)

2. CO2(g)

3. H2S(g)

4. SO2(g)

1. H2(g)

2. CO2(g)

3. H2S(g)

4. SO2(g)

a.1. Ne 2. He3. Ar4. Kr

a.1. Ne 2. He3. Ar4. Kr

b.1. 1+2. 2+3. 0 4. 1–

b.1. 1+2. 2+3. 0 4. 1–

1. Mg2+(aq)

2. Ni2+(aq)

1. Mg2+(aq)

2. Ni2+(aq)

1. Concentration (molarity) remains the same.2. The new concentration is 0.25 M. 3. The new concentration is 1.00 M.4. The new concentration is 2.00 M.

1. Concentration (molarity) remains the same.2. The new concentration is 0.25 M. 3. The new concentration is 1.00 M.4. The new concentration is 2.00 M.

1. 12.50 mL 2. 25.00 mL3. 50.00 mL4. 75.00 mL

1. 12.50 mL 2. 25.00 mL3. 50.00 mL4. 75.00 mL