5-10: Cadmium (II) Chloride and Sodium Sulfide

1. Before watching the movie, predict what are the precipitation and the color of the precipitation.
1. Sodium Chloride, clear
2. Sodium Chloride, yellow
3. Cadmium (II) Sulfide, blue
4. Cadmium (II) Sulfide, yellow
2. What is the general (molecular) equation for the reaction?

A.

B.

C.

D.

3. What is the total ionic equation for the reaction?

A.

B.

C.

D.

4. What is the net ionic equation for the reaction?

A.

B.

C.

D.

5. Identify any spectator ions.
1. Na⁺
2. Cl^-
3. Both A and B
4. None
6. Which one of the following solutions can also form a precipitation with Sodium Sulfide?
1. Potassium Chloride
2. Potassium Sulfate
3. Lead Chloride

D. Sodium Chloride