What is the density of a sample of O₂ gas if it exerts a pressure of 1.38 atm at 300 K?

Question

Quizplus · Accepted Answer

The density of a gas can be calculated using the ideal gas law rearranged to find density: $ \text{density} = \frac{PM}{RT} $. For O2, $ M = 32 \, \text{g/mol} $, $ P = 1.38 \, \text{atm} $, $ R = 0.0821 \, \text{L atm/mol K} $, and $ T = 300 \, \text{K} $. Plugging in these values gives a density of approximately 1.79 g/L.

What Is the Density of a Sample of O2 Gas

What Is the Density of a Sample of O₂ Gas