Calculate the Mole Fraction of Ethylene Glycol (C₂H₆O₂) in a Solution

question 29

Multiple Choice

Calculate the mole fraction of ethylene glycol (C₂H₆O₂) in a solution that is 85% by mass ethylene glycol in water.

• A) 1.4
• B) 0.85
• C) 0.18
• D) 0.38
• E) 0.62

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Definitions:

Zygomatic Arch

The bony arch on the side of the skull formed by the zygomatic bone and part of the temporal bone, contributing to the facial skeleton.

Temporomandibular Joint

The hinge joint that connects the lower jaw (mandible) to the temporal bone of the skull, located just in front of the ears.

Stylomandibular Ligament

A fibrous band of the cervical fascia that extends from the styloid process of the temporal bone to the angle of the mandible, acting in the limitation of excessive jaw opening.

Zygomatic Arch

The bone structure that forms the prominence of the cheek, extending from the zygomatic process of the temporal bone to the zygomatic bone.