Dilute sodium hydroxide solution is irritating to eyes and skin. Crystal violet is a strong dye and will stain clothes and skin. Clean up all spills immediately. Wear chemical splash goggles, chemical-resistant gloves, and a chemical-resistant apron. Avoid contact of all chemicals with eyes and skin and wash hands thoroughly with soap and water before leaving the laboratory. Please follow all laboratory safety guidelines.

Specific Heat Capacity

Experimental Overview 

The following video provides the concept of the lab that you are going to do.  Please make sure that you follow our written procedure provided to you, which is also posted below.  Please take note of the following that we will NOT do which was described/demonstrated in the video:

  • try NOT to poke around with a glass stirring rod. 

Calculating Percent Water in a Hydrate

This is a video that explains the calculations. 


View the procedure handout attached at the bottom of this page.  Please note that we will not look at the kinetics of crystal violet, but of another, very similar molecule. The principles operate similarly to the discussion above. Apply what you learned about crystal violet to the molecules and reactions under investigation. 

Complete the Pre-Lab Quiz after review all the information and videos on this page.
Access Pre-Lab Quiz here.