Precipitation reactions

Aim - To observe a number of precipitation reactions and write the overall equation for each reaction.

Procedure- Mix 0.1M solutions of each of the following pair of compounds. Record your prediction of what the preicipitate will be (give the name of the precipitate and its formula). Write the overall equation for each reaction.

Compounds
Prediction
Lead nitrate and sodium carbonate Click to see a 120kb video  
The overall equation =
Lead nitrate and Potassium iodide Click to see a 120kb video  
The overall equation =
Silver nitrate and potassium iodideClick to see a 120kb video  
The overall equation =
Lead nitrate and potassium chromateClick to see a 120kb video  
The overall equation =

Copper sulfate and barium chlorideClick to see a 120kb video

 
The overall equation =
Copper sulfate and sodium carbonateClick to see a 120kb video  
The overall equation =
Sodium chloride and silver nitrateClick to see a 120kb video  
The overall equation =
Copper sulfate and lead nitrate  
The overall equation =
Sodium carbonate and potassium iodide  
The overall equation =
Silver nitrate and potassium chromateClick to see a 120kb video  
The overall equation =

As an extension activity write the ionic equation for each precipitation reaction above. First ask your teacher if you should attempt this and then fill in the table below.

Compounds
Prediction
Lead nitrate and sodium carbonate  
The ionic equation =
Lead nitrate and Potassium iodide  
The ionic equation =
Silver nitrate and potassium iodide  
The ionic equation =
Lead nitrate and potassium chromate  
The ionic equation =

Copper sulfate and barium chloride

 
The ionic equation =
Copper sulfate and sodium carbonate  
The ionic equation =
Sodium chloride and silver nitrate  
The ionic equation =
Copper sulfate and lead nitrate  
The ionic equation =
Sodium carbonate and potassium iodide  
The ionic equation =
Silver nitrate and potassium chromate  
The ionic equation =