Diethyl Ether Has a Vapor Pressure of 400

question 102

Multiple Choice

Diethyl ether has a vapor pressure of 400.0 torr at 18°C. When a sample of benzoic acid is dissolved in ether, the vapor pressure of the solution is 342 torr. What is the mole fraction of benzoic acid in the solution?

• A) 0.0169
• B) 0.0197
• C) 0.145
• D) 0.855
• E) none of the above

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Definitions:

Vertebral Foramen

The central opening in each vertebra through which the spinal cord passes, providing canal-like protection.

Nucleus Pulposus

Soft central portion of the intervertebral disk.

Herniated Disc

A condition where the soft center of a spinal disc pushes through a crack in the tougher exterior casing, often leading to pain and nerve irritation.

Lateral Curvature

Often referred to as scoliosis, it is the abnormal sideways curve of the spine when viewed from the front or back.