Methanol (CH4O), which is used as a fuel in high-performance racing cars, burns in the presence of O2 to form CO2 and H2 2CH4O(I) + 3O2(g) ® 2CO2(g) + 4H2O(g) What is the theoretical yield of CO2 from 48.0 grams of methanol? What is the percent yield of CO2 if 48.0 grams of carbon dioxide are formed?