A Solution Is Prepared by Mixing 75 G of Methanol $\degree$

question 12

Multiple Choice

A solution is prepared by mixing 75 g of methanol (CH₃OH, 32.04 g/mol) with 25 g of ethanol (CH₃CH₂OH, 46.07 g/mol) .What is the mole fraction of ethanol in the vapor phase at 20 $\degree$ C?

• A)0.10
• B)0.12
• C)0.19
• D)0.32
• E)0.54

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The calculation of interest on the principal amount only, without compounding over time.

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