Fernando is doing his pre-lab homework for Chemistry. He is asked to predict how many grams of CO, are produced if 2.09 mol of HCl are reacted according to this balanced chemical equation shown. CaCO3 + 2HCI –→ CaCl2 + CO2+ H20 He performs the following calculation. 1 molEO, 44.019CO, 2 motHCT 2.09 motHCT x = 46.0 g CO, 1 mol-Eo, om the coefficiets of the taanced uatio On the day of the lab his group obtains 40.9 grams of CO2 as their experimental result. What is their percent yield? round your answer to the tenths place, i.e. one decimal place

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".