Macmillan Learning Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCl(aq) + MnO₂ (s) →MnCl(aq) + 2H₂O(1) + Cl₂(g) A sample of 42.9 g MnO, is added to a solution containing 41.3 g HCI. What is the limiting reactant? O MnO₂ HCI Incorrect What is the theoretical yield of Cl₂? theoretical yield: actual yield: incorrect If the yield of the reaction is 87.9%, what is the actual yield of chlorine? 20.94 18.4 Incorrect & CL g Cl₂

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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".