Try Again Your answer is wrong. In addition to checking your math, check that you used the right data and DID NOT round any intermediate calculations. A major component of gasoline is octane . When liquid octane is burned in air it reacts with oxygen gas to produce carbon dioxide gas and water vapor. Calculate the moles of water produced by the reaction of of octane. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.