Which of the following samples will have the lowest pressure if they are all at the same temperature and in identical containers (same volume)? A) 15 g F₂ B) 15 g Ne C) 15 g Kr D) 15 g CO₂ E) All of these samples will have the same pressure.

Question

Quizplus · Accepted Answer

The pressure of a gas is inversely proportional to its molar mass when the mass is constant. Kr has the highest molar mass among the options, resulting in the fewest moles and thus the lowest pressure.

Which of the Following Samples Will Have the Lowest Pressure