Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO3(s)2K2O(s)+2N2(g)+5O2(g) Note: Reference the SI prefixes table for additional information. Part 1 of 2 How many moles of KNO3 must be heated to produce 43.2kg of O2 ? Round your answer to 3 significant figures. Part 2 of 2 How many grams of KNO3 must be heated to produce 63.6kgof2 ? Round your answer to 3 significant figures