Problem: The molecular weight of ethanol (C2H5OH) is 46.1 and the density of absolute (100%) ethanol = 0.79 g/mLa) Calculate the molarity of absolute ethanol (100% ethanol).b) Calculate the molarity of ethanol in a bottle of wine that is 14.0% ethanol by volume. 

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The molecular weight of ethanol (C2H5OH) is 46.1 and the density of absolute (100%) ethanol = 0.79 g/mL

a) Calculate the molarity of absolute ethanol (100% ethanol).

b) Calculate the molarity of ethanol in a bottle of wine that is 14.0% ethanol by volume.