potassium chlorate KClO3 decomposes into potassium chloride and oxygen upon the heating. was it theoretical yield of oxygen when 75.0g of KClO3 decomposes? 22.7 grams of oxygen is actually obtained 175.0 G of KClO3 is heated what is the percent yield of this reaction? 2 KClO3 ---> 2 KCl + 3 O2 moles of KClO3=____. theoretical moles of O2 produced=_____. theoretical grams of O2 produced=_____. percent yeild=_____.​