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Which is twice the percent ethanol by volume

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The concentration of ethanol in hard liquor is given as degrees proof, which is twice the percent ethanol by volume. What are the mole fraction and molality of C2H5OH in 70 degrees rum?

(Water is 1.00 g/mL, C2H5OH is 0.79 g/mL and 46.07 g/mol)

Reference no: EM131371530

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