Macmillan Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese (IV) oxide. 4 HCl(aq) + MnO₂(s) - MnCl₂ (aq) + 2 H₂O(1) + Cl₂ (g) A sample of 40.3 g MnO, is added to a solution containing 42.1 g HCl. What is the limiting reactant? O MnO₂ HCI

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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".