TrialsMass of KClO3 (grams)Mass of Balloon filled with O2 (grams)Mass of KCl product (grams)Mass of O2 product (grams)Mass of KClO3 and O2 products (grams)1 2 3 TrialsMass of CaCO3 (grams)Mass of Balloon filled with CO2 (grams)Mass of CaO product (grams)Mass of CO2 product (grams)Mass of CaO and CO2 products (grams)1 2 3