CHEMISTRY 107 - General Chemistry Lab I

qual:   A Qualitative Analysis Scheme

Name:____________________

                                                 

Part A: Known solution: Al+3, Fe+3, Ba+2, Ca+2, Mg+2, Cu+2

Complete a flow chart as you perform each analysis. This flow chart should include observations associated with each reagent. (You should be aware of how a positive test will appear.)

 

 

Al+3, Fe+3, Ba+2,

Ca+2, Mg+2, Cu+2

 

 

|

 

 

6M HNO3

6M NH4OH

¯

 

solid ------------

¯

 ------------------------------

-----------solution

¯

                    

                  

                                                                            

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Part D: Indicate which ions are present and which are absent in your unknown. * All 6 cations must be indicated as present or absent.

Unknown #:_________

Ions Present:___________

Ions Absent:___________