A Mixture of Chloroform and Acetone Has a Vapour Pressure

question 76

Multiple Choice

A mixture of chloroform and acetone has a vapour pressure of 311 Torr. Calculate the mole fraction of acetone in the mixture. The vapour pressures of chloroform and acetone are 295 Torr and 332 Torr, respectively. Assume ideal behaviour.

• A) 0.432
• B) 0.730
• C) 0.270
• D) 0.619
• E) 0.568

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Definitions:

Granite

Granite is a coarse-grained igneous rock composed mainly of quartz, feldspar, and mica, widely used in construction due to its durability.

Volcanic Neck

A vertical column of volcanic rock, formed by magma solidifying in the vent of an inactive volcano.

Igneous Feature

A geological structure formed from hardened lava or magma, such as a volcano or granite intrusion.

Dike

A sheetlike intrusion that cuts across any layers in a host rock, commonly formed with a steep orientation.