Which gas,in the amount of 1.4 moles,if placed into a 2.5-L balloon would MOST allow that balloon to remain full after several days?

Name: Which gas,in the amount of 1.4 moles,if placed into a 2.5-L balloon would MOST allow that balloon to remain full after several days?
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Question

Quizplus · Accepted Answer

SF₆ is a large, heavy molecule with low diffusion rates, making it less likely to escape through the balloon material compared to lighter gases like He, CO, or CO₂.

Which Gas,in the Amount of 1