Experiment 2
Gravimetric Determination of Water of Hydration


SAFETY PRECAUTIONS FOR EXPERIMENT 2

  • Wear safety goggles at all times.
  • Wear shoes that cover the entire foot.
  • Light the Bunsen burner under the hood so that unburned gas will be carried away by the hood fan.
  • Never leave flame unattended.
  • Do not touch hot objects. They look the same as cold objects.
  • Handle hot crucibles with crucible tongs. Hot porcelain looks the same as cold porcelain.
  • Always place hot crucibles on wire screen.
  • Always wash your hands before leaving the laboratory.
REVIEW GENERAL SAFETY GUIDELINES
 

1. Safety
2.
Objectives/Overview
3.
Procedures
4. Observations
5.
Equipment
6.

View Techniques:
A. Lighting the Bunsen Burner
B. Heat, Cool, and Weigh Cruicibles
C. Heat, Cool, and Weigh Crucibles with Sample

D. Repeat Heating, Cooling, Weighing Crucibles with Sample

7. Waste Disposal/Clean-up
8.

Calculations/Setups

9. Conclusions
10. Grading Scale
11. Review Prelab Questions
12.
Review Postlab Questions
 
   
 
 
 

 

Index Proceedures Charts & Tables Safety Experiments Policies Equipment Main Safety Index Procedures Charts and Tables Safety Experiments Policies Equipment Main