What Is the Mole Fraction of Water in a Solution

question 43

Multiple Choice

What is the mole fraction of water in a solution that is 33.3% by mass ethylene glycol? The molar mass of ethylene glycol,HOCH₂CH₂OH,is 62.07 g/mol.

• A) 0.127
• B) 0.290
• C) 0.368
• D) 0.667
• E) 0.873

---

Definitions:

Sexual Harassment

Unwelcome sexual advances, requests for sexual favors, and other verbal or physical harassment of a sexual nature, especially in the workplace or educational settings.

Employee Assistance Programs

Support services provided by employers to help employees deal with personal problems that might affect their work performance or well-being.

Substance Abusers

Individuals who excessively use or depend on drugs or alcohol, often to the detriment of their health, relationships, and responsibilities.

Alcoholic Employees

Employees who suffer from alcoholism, which can impact their performance at work and their relations with colleagues.