5. Balancing and Stoichiometry: a. H₂ + Cl2 → HC1 (needs balanced) How many grams of HCl can be produced if 7.25 g of Cl2 is reacted with an unlimited supply of H₂? b. Al + Fe2O3 → Al2O3 + Fe (needs balanced) How many grams of Fe can be produced when 10.0g of Al is reacted with an excess (unlimited) supply of Fe2O3?

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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".