1. Precipitate Lab Dr. Knorr Honors Chemistry Chapter 11

2. BaCl 2 + Cu(NO 3 ) 2 Barium chloride is clear Copper (II) nitrate is transparent blue The resulting combination looks like:

3. BaCl 2 + HCl Barium chloride is clear Hydrochloric acid is clear The resulting combination looks like:

4. BaCl 2 + Na 2 CO 3 Barium chloride is clear Sodium carbonate is clear The resulting combination looks like:

5. BaCl 2 + CoCl 2 Barium chloride is clear Cobalt (II) chloride is transparent pink The resulting combination looks like:

6. BaCl 2 + H 2 SO 4 Barium chloride is clear Sulfuric acid is clear The resulting combination looks like:

7. Na 2 CO 3 + Cu(NO 3 ) 2 Sodium carbonate is clear Copper (II) nitrate is transparent blue The resulting combination looks like:

8. Na 2 CO 3 + HCl Sodium carbonate is clear Hydrochloric acid is clear The resulting combination looks like: Make sure you notice an important (but difficult to see) detail about this picture!

9. Na 2 CO 3 + Na 2 CO 3 Sodium carbonate is clear The resulting combination looks like:

10. Na 2 CO 3 + CoCl 2 Sodium carbonate is clear Cobalt (II) chloride is transparent pink The resulting combination looks like:

11. Na 2 CO 3 + H 2 SO 4 Sodium carbonate is clear Sulfuric acid is clear The resulting combination looks like: Make sure you notice an important (but difficult to see) detail about this picture!