If 4.50 moles of NO₂ are allowed to react with excess H₂O according to the balanced equation: 3NO2 + H₂O 2HNO3 + NO, the amount (in moles) of HNO3 formed will be: O 3/2 x 4.50 O 2.00 O 2/3 x 4.50 O 4.50 OK

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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".