Experiment 3 - Percent Composition
crucible with lid
burner and lighter
- Three large test tubes
- Test tube rack
- Dilute nitric acid (HNO3) solution
nitrate solution (about 0.1 M)
potassium chlorate (KClO3)
- Solid potassium chloride (KCl)
- Wear safety glasses when heating the crucibles and when
adding nitric acid in Part B.
- Heat the sample slowly and carefully to avoid splattering
molten (liquid) material and also to avoid getting poor experimental results.