What Is the Mole Fraction of Ar in a Mixture

question 92

Multiple Choice

What is the mole fraction of Ar in a mixture containing 10.1 g of Ne, 79.9 g of Ar, and 83.8 g of Kr?

• A) 0.40
• B) 0.25
• C) 0.20
• D) 0.14
• E) 0.058

---

Definitions:

Golem Effect

A psychological phenomenon where lower expectations placed upon individuals either by themselves or others lead to poorer performance.

Failure Syndrome

A persistent feeling or belief of inadequacy rooted in repeated experiences of failure or lack of success.

Personal Conditions

The circumstances or factors that pertain to an individual's life, including health, financial status, and personal relationships.

Growth

The process of increasing in size, value, or importance; often used in a personal, economic, or business context.