90. Phosgene (COCI,) reacts with ammonia (NH,), as shown in this reaction. If 1.2 grams of COCI, are added to 10.5 grams of NH,, what is the limiting reagent? What mass of CH,N,O can be produced in this reaction? COCI, (g) + 2 NH3 (g) → CH,N,O (g) + 2 HCI (g)

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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".