1. Hydrates A Chemistry Research Project by John Smith

2. Calcium sulfate

3. Calcium sulfate

4. Magnesium sulfate

5. Magnesium sulfate

6. Nickel (II) chloride

7. Nickel (II) chloride

8. Cobalt (II) chloride

9. Cobalt (II) chloride

10. Nickel (II) chloride Cobalt (II) chloride

12. Nickel (II) chloride (Turns yellow in anhydrous form)

14. Crucible Clay triangle Bunsen burner

15. Nickel (II) chloride Cobalt (II) chloride Some hydrates experience a color change when the water is removed through heating.

16. Find the Mass of the Anhydrous

17. Humid Environment Humidifier Boiling water

18. Original Hydration Setup

19. Find the Mass of the Re-hydrated Hydrate

20. 0.41 0.35 0.15 0.45 Mass of hydrate in high humidity (g) 0.39 0.35 Trial 3: Mass of anhydrous (g) 0.39 0.35 0.10 0.42 Trial 2: Mass of anhydrous (g) 0.44 0.41 0.11 0.42 Trial 1: Mass of anhydrous (g) 0.93 1.00 0.15 0.81 Mass of hydrate (g) Cobalt (II) chloride (CoCl 2 • 6H 2 O) (2006) Nickel (II) chloride (NiCl 2 • 6H 2 O) (2008) Calcium sulfate (CaSO 4 • 2H 2 O) (1990) Magnesium sulfate (MgSO 4 • 7H 2 O) (1990)

21. Cobalt (II) chloride Hydrate

22. Cobalt (II) chloride Anhydrous

23. Fin