The octane rating of gasoline is a relationship of the burning efficiency of the given gasoline mixture to the burning efficiency of octane (C8H18). Like most hydrocarbons, octane reacts with oxygen gas to produce carbon dioxide and water.  2C8H18(g)+25O2(g)→16CO2(g)+18H2O(g) 0.180 molmol of octane is allowed to react with  0.790 molmol of oxygen. Which is the limiting reactant? How many moles of water are produced in this reaction? Express your answer with the appropriate units.   After the reaction, how much octane is left? Express your answer with the appropriate units.

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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".