# Problem: Which of the following gases has the greatest density at STP?A) NO2 (molar mass = 46.01 g/mol)B) Xe (molar mass = 131.3 g/mol)C) SO2 (molar mass = 64.07 g/mol)D) SF6 (molar mass = 146.07 g/mol)E) All of these samples have the same density at STP.

###### Problem Details

Which of the following gases has the greatest density at STP?

A) NO(molar mass = 46.01 g/mol)

B) Xe (molar mass = 131.3 g/mol)

C) SO2 (molar mass = 64.07 g/mol)

D) SF6 (molar mass = 146.07 g/mol)

E) All of these samples have the same density at STP.

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Standard Temperature and Pressure concept. You can view video lessons to learn Standard Temperature and Pressure. Or if you need more Standard Temperature and Pressure practice, you can also practice Standard Temperature and Pressure practice problems.

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Based on our data, we think this problem is relevant for Professor Dixon's class at UCF.