d. e. g. f. Bismuth reacts with fluorine to form the bismuth (V) fluoride. h. Barium metal reacts with aqueous iron (III) sulfate to produce aqueous barium sulfate and iron. i. Aqueous barium chloride reacts with aqueous sodium sulfate to produce barium sulfate and a solution of sodium chloride. Calcium metal reacts with elemental phosphorus (P4) to produce calcium phosphide. (ps) 02 H Copper metal reacts with sulfuric acid, H₂SO4, and water to produce copper(II) sulfate pentahydrate and sulfur dioxide. A solution of hydrochloric acid, HCl, reacts with a solid calcium hydrogen carbonate to produce water, carbon dioxide, and calcium chloride.

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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".