Liquid octane CH3CH26CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O.

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Liquid octane CH3CH26CH3 reacts with gaseous oxygen
gas O2 to produce gaseous carbon
dioxide CO2 and gaseous water H2O.
If 0.963g of water is produced from the reaction
of
6.9g of octane and 7.2g of oxygen gas, calculate
the percent yield of water. Round your answer
to 2 significant figures.