When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3(s) + 2HCl(aq) → CaCl₂(aq) + H₂O(1) + CO₂(g) How many grams of calcium chloride will be produced when 31.0 g of calcium carbonate is combined with 10.0 g of hydrochloric acid? mass of CaCl₂: Which reactant is in excess? CaCO HCI How many grams of the excess reactant will remain after the reaction is complete? mass of excess reactant: 09 09

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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".