hfizah89 hfizah89 05-10-2022 Chemistry Answered Potassium nitrate, KNO3 decomposes through heating process to produce potassium nitrite and oxygen as represented by the following equation. KNO3(s)→ 2KNO2 (s) + O2(g) If the reaction produced 0.286 g of oxygen gas, calculate the mass of KNO3 used