If 100 L of an Unknown Gas at STP Has a a Mass

question 64

Multiple Choice

If 1.00 L of an unknown gas at STP has a mass of 5.40 g,what is its molar mass?

• A)4.15 g/mol
• B)5.40 g/mol
• C)22.4 g/mol
• D)54.0 g/mol
• E)121 g/mol

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