A 100 L Flask at 318 K Contains a Mixture of of Ar

question 31

Multiple Choice

A 10.0 L flask at 318 K contains a mixture of Ar and CH₄ with a total pressure of 1.040 atm.If the mole fraction of Ar is 0.715,what is the mass percent of Ar?

• A) 13.8%
• B) 68.8%
• C) 71.5%
• D) 82.9%
• E) 86.2%

---

Definitions:

Measures Retention

The process of assessing and quantifying the degree to which information, skills, or behaviors are maintained over time.

Memorize Information

The process of committing new information to memory for later retrieval.

Brain Regions

Distinct areas within the brain specialized for various functions, such as perception, emotions, reasoning, and motor skills.

Measure Of Retention

An assessment or method used to determine the amount of information or skills that have been remembered or held onto over time.