Which of the following samples has the greatest density at STP? A)NO₂ B)Xe C)SO₂ D)SF₆ E)All of these samples have the same density at STP.

Name: Which of the following samples has the greatest density at STP? A)NO 2 B)Xe C)SO 2 D)SF 6 E)All of these samples have the same density at STP.
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Question

Quizplus · Accepted Answer

Density is mass per unit volume. At STP, gases have the same volume per mole, so the gas with the greatest molar mass will have the greatest density. SF₆ has the highest molar mass among the options given.

Which of the Following Samples Has the Greatest Density at STP