Name ___________________ Date __________ Period ______

 

Solubility Lab

 

Purpose:

Predict and observe reactions between ionic substances in aqueous solution.

Determine the identity of precipitates and write net ionic equations.

 

Hypothesis:

Use the solubility chart provided to predict any precipitates that would be expected to form. Write the formula for the expected precipitate in the blank provided.

 

AgNO3            NaOH             K2CrO4            Fe(NO3)3         CuSO4             NaCl

NaCl                ______            ______            _______          ________        ______

CuSO4             ______            ______            _______          ________

Fe(NO3)3         ______            ______            _______

K2CrO4            ______            ______           

NaOH              ______           

AgNO3

 

Click here for help on writing formulas.

Click here for help on using the solubility rules.

Click here for help on balancing equations and writing net ionic equations.

 

Procedure:

Follow instructions given in class.

 

Data:

Mix samples of the solutions shown. If a precipitate forms, indicate the positive result with a + .

If no reaction occurs, write NR. If a reaction occurs, with no formation of a precipitate, record an observation.

 

 

AgNO3            NaOH             K2CrO4            Fe(NO3)3         CuSO4             NaCl

NaCl                ______            ______            _______          ________        ______

CuSO4             ______            ______            _______          ________

Fe(NO3)3         ______            ______            _______

K2CrO4            ______            ______           

NaOH              ______           

AgNO3

 

Observations:

 

 

 

 


Conclusion:

Predict products and write balanced equations for each of the following reactants combinations. Be sure to correctly use notations (aq) and (s) with each formula.

 

Click here for help in completing the net ionic equations below.

 

  1. AgNO3            +          NaCl
  2. AgNO3            +         CuSO4
  3. AgNO3            +          Fe(NO3)3
  4. AgNO3            +          K2CrO4
  5. AgNO3            +          NaOH
  6. NaOH              +          NaCl
  7. NaOH              +          CuSO4
  8. NaOH              +          Fe(NO3)3
  9. NaOH              +          K2CrO4
  10. K2CrO4            +          NaCl
  11. K2CrO4            +          CuSO4
  12. K2CrO4            +          Fe(NO3)3
  13. Fe(NO3)3         +          NaCl
  14. Fe(NO3)3         +          CuSO4
  15. CuSO4             +          NaCl

Write the net ionic equation for any reactions producing a precipitate.