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Ethanol (C2H5OH) is added into gasoline as an oxygenate to minimize emission of CO and hydrocarbons....

Ethanol (C2H5OH) is added into gasoline as an oxygenate to minimize emission of CO and hydrocarbons. The ideal weight percentage of oxygen in the mixed fuel is 2%. Note that gasoline does not contain any oxygen. The specific gravity of ethanol and gasoline are 0.791 and 0.739, respectively. What should be the volumetric percentage of ethanol in the mixed fuel?

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