Equal Volumes of Ethanol (C₂H₅OH) and Water Are Mixed

question 10

Multiple Choice

Equal volumes of ethanol (C₂H₅OH) and water are mixed. If the density of water is 1.00 g·cm^-3 and that of ethanol is 0.789, what is the mole fraction of ethanol in the mixture?

• A) 0.764
• B) 0.309
• C) 0.324
• D) 0.236

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