Which Statement Concerning the Vapor Pressures of Water and Methanol

question 131

Multiple Choice

Which statement concerning the vapor pressures of water and methanol (CH₃OH) is true?

• A) At 25ºC, methanol has a higher vapor pressure than water because methanol has a lower normal boiling point than water.
• B) At 25ºC, methanol has a higher vapor pressure than water because methanol is a poorer solvent than water.
• C) At 25ºC, methanol has a higher vapor pressure than water because methanol is a less viscous liquid than water.
• D) At 25ºC, methanol has a higher vapor pressure than water because the density of methanol is less than the density of water.
• E) At 25ºC, methanol has a higher vapor pressure than water because methanol has weaker intermolecular forces than water.

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