Purpose: The purpose of this laboratory is the same as Combining Ions #1. The difference is there are a different set of six compounds: Na2SO4, Al2(SO4)3, Sr(NO3)2, BaCl2, Ba(NO3)2 and AlCl3.
Procedure: See Combining Ions #1.
Results: See Combining Ions #1.
Conclusion: See Ions #1.