Identify the excess reactant when 33 grams of C2H6 reacts with 112 grams of oxygen. The balanced equation is 2C2H6 + 7O2 = 4CO2 + 6H2O. What is the percent yield if you start with 112 grams of oxygen and produce in lab 80 grams of carbon dioxide? Put the answer out to the tenth place with no units. Identify the limiting reactant: 17.5 grams of sodium reacts with 24 grams of chlorine to produce sodium chloride. 2Na + Cl2 = 2NaCl. What is the percent yield of sodium chloride when 17.5 grams of sodium reacts with 24 grams of chlorine? The actual amount of sodium chloride produced in the lab is 35.2g. Put the answer to the tenth place. 2Na + Cl2 = 2NaCl. Identify the limiting reactant: 10 grams of H2 reacts with 10 grams of I2. H2 + I2 = 2HI. Determine the theoretical yield of HI produced when 10 grams of H2 reacted with 10 grams of I2. Put the answer out to the tenth place. H2 + I2 = 2HI. What is the actual amount made in the lab if the percent yield of the reaction is 75.4%? When you start with 10 grams of I2. Put the answer out to the tenth place. H2 + I2 = 2HI.