5. Ethylene oxide, C₂H4O, is a multi-purpose industrial chemical used, among other things, as a rocket propellant. It can be pre- pared by reacting ethylene bromohydrin, C₂H5OBr, with sodium hydroxide. C2H5OBr + NaOH → CzH,O + NaBr + H2O If this reaction proceeds with an 89% yield, what mass of C₂H4O can be obtained when 3.61 x 1023 molecules of C₂H5OBr react with excess sodium hydroxide?

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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".