The fertilizer ammonium sulfate [(NH4)2SO4] is prepared by the reaction between ammonia (NH3) and sulfuric acid: 2NH3(g) + H₂SO4(aq) → (NH4)2SO4(aq) How many kilograms of NH3 are needed to produce 1.00 x 105 kg of (NH4)2SO4?

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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".