EXPT 3:
Percent Composition
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Experiment 3 - Percent Composition

Data:

Part A: Decomposition of Potassium Chlorate Reaction

           
1. mass of empty crucible = ________________________
2. mass of crucible and KClO3 = ________________________
3. mass of crucible and residue (after 1st heating) = ________________________
4. mass of crucible and residue (after re-heating) = ________________________
5. mass of KClO3 used = ________________________
6. mass of residue which remains = ________________________
7. mass of oxygen released = ________________________

Calculation of % oxygen (experimental):

 

 

 

 

Calculation of % oxygen (theoretical):

 

 

 

 

 

 

 

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