A Gas Mixture Has Partial Pressures of 120 Torr N₂

question 2

Multiple Choice

A gas mixture has partial pressures of 120 torr N₂, 350 torr Ar, and 480 torr SF₆. What is the mole fraction of sulfur hexafluoride in the mixture?

• A)0.13
• B)0.37
• C)0.45
• D)0.51
• E)0.55

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Definitions:

Hypothesis

A suggested interpretation put forward with scarce evidence, serving as an initial step for more in-depth exploration.

Experiment Design

The planning of an experiment to ensure it adequately addresses the research question, including the selection of variables, participants, and methods of data collection and analysis.

Cross-sectional

A type of observational study that analyzes data collected from a population, or a representative subset, at a specific point in time.

Panel

A group of the same individuals retained to answer questions over time.