A Solution of Methanol and Water Has a Vapour Pressure

question 62

Multiple Choice

A solution of methanol and water has a vapour pressure of 248 Torr. What would you predict as the mole fractions of each component, assuming ideal behaviour? The vapour pressures of methanol and water are 256 Torr and 55.3 Torr, respectively.

• A) = 0.990, = 0.010
• B) = 0.940, = 0.060
• C) = 0.960, = 0.040
• D) = 0.910, = 0.090
• E) = 0.900, = 0.100

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Definitions:

Early Life Stages

The initial phases of an organism's life cycle, which are critical for development and survival.

Tectonic Plate

A massive, irregularly shaped slab of solid rock, part of the Earth's lithosphere, which moves over the asthenosphere.

Hot Spot

A region with significant volcanic activity due to a mantle plume or other geological features.

Molten Rock

Molten rock, also known as magma (beneath the earth's surface) or lava (on the earth's surface), is a hot, fluid state of rocks that have melted due to high temperatures within the Earth.