Identify the given information and what the problem is asking you to find. Theoretical yield is the amount of product a reaction would produce if the reactants reacted completely. Theoretical yield Actual yield100 Here is the method.
Then the percent yield would be.
The percentage yield can be calculated using the mass of the actual product obtained and the theoretical mass of the product calculated using the balanced equation of the reaction. Find the theoretical yield. 1 The combustion of 0374 kg of methane in the presence of excess oxygen produces 0983 kg of carbon dioxide. So to stop you from wondering how to find theoretical yield here is the theoretical yield formula.