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Post Laboratory Questions 1 White balanced molecular and lonic equations for each reaction that produced precipitation Compou

the net ionic equation for 2,4,7,8.
the molecular equation for 7 & 8.
compound name for all if possible.

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Answer #1

In net ionic equation, only the ions that form the precipitate are included.

Net ionic equation

2. Ba2+ (aq) + (CO3)2- (aq) ----> BaCO3(s)

4. Ag+ (aq) + OH- (aq) -----> AgOH(s)

7. Molecular equation : Pb(NO3)2 + 2NaOH ---> Pb(OH)2(s) + 2NaNO3

Pb2+ + 2OH- ----> Pb(OH)2

8. Molecular equation : Pb(NO3)2 + Na2CO3 ---> PbCO3(s) + 2NaNO3

Pb2+ + (CO3)2- ---> PbCO3 (s)

Names of precipitate:

1. Barium sulphate

2. Barium carbonate

3. Silver bromide

4. Silver hydroxide

5. Silver hydroxide

6. Lead sulphate

7. Lead hydroxide

8. Lead carbonate

9. Nickel hydroxide

10. Nickel carbonate

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