Mass of empty test tube 7.597 g
Mass of test tube and sample before heating 8.089 g
Mass of test tube and sample after heating 7.956 g
Mass of unknown sample that was heated
Mass of oxygen produced
Moles of oxygen produced
Moles of KClO3 decomposed (moles of KClO3 in sample)
Mass of KClO3 decomposed (mass of KClO3 in sample)
Percentage of KClO3 in sample