solid potassium chlorate (kclo3) decomposes into potassium chloride and oxygen gas when heated. how many moles of oxygen form when 57.5 g completely decomposes?solid potassium chlorate decomposes into potassium chloride and oxygen gas when heated. how many moles of oxygen form when 57.5 completely decomposes?0.469 mol o2 0.352 mol o2 86.3 mol o2 0.704 mol o2