Question

Part I: Writing Balanced Precipitation Reactions

1. For the reaction of AgNO­₃ with Na₂CO₃:
2. 1. Record your observations when combined in the test tube: Color change: light cloudy brown
3. 2. Write the complete (total) ionic equation for this reaction:
4. 3. Write the net ionic equation for this reaction:
5. For the reaction of Pb(NO₃)₂ with NaCl:
6. 1. Record your observations when combined in the test tube: Color change: white , State change: liquid to powder
7. 2. Write the complete (total) ionic equation for this reaction:
8. 3. Write the net ionic equation for this reaction:
9. For the reaction of Sb(OH)₃ with Na₂S:
10. 1. Record your observations when combined in the test tube: Color change: orange, State change: powder to thicker solute
11. 2. Write the complete (total) ionic equation for this reaction:
12. 3. Write the net ionic equation for this reaction:

Part II: Precipitation Reactions

1. Fill in the results table below with your observations from Part II of this experiment:

Results Table

	Ag+ = AgNO3	Pb2+ = Pb(NO3)2	Ca2+ = Ca(NO3)2
Na2CO3(CO32-)	Cloudy, light brown	White powder	White powder
Na2S (S2-)	Black, chunky	Black, chunky	No change, clear liquid
NaOH (OH-)	Brown, chunky	No change, clear liquid	White powder
Na2.   SO4(SO42-)	No change, clear liquid	White powder	No change, clear liquid
NaCl (Cl-)	White powder	White powder	No change, clear liquid

2. Write the net ionic equation for all 5 of the reactions of AgNO₃in the results table:

3. Write the net ionic equation for all 5 of the reactions of Pb(NO₃)₂ in the results table:

4. Write the net ionic equation for all 5 of the reactions of Ca(NO₃)₂ in the results table:

Answer 1

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These are precipitation reaction.