Problem- The octane rating of gasoline is a relationship of the burning efficiency of the given gasoline mixture to the burning efficiency of octane (C8H18). (Figure 1) Like most hydrocarbons, octane reacts with oxygen gas to produce carbon dioxide and water. The unbalanced equation for this reaction is C8H18(g) + O2(g) ? CO2(g) + H2O(g).
Balanced chemical equation is 2C8H18(g) + 25O2(g) ? 16CO2(g) + 18H2O(g).
A)-How many moles of water are produced in this reaction?
B)- After the reaction, how much octane is left?
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