What Is the Molar Mass of a Gas If It

question 124

Multiple Choice

What is the molar mass of a gas if it takes 7.3 min to effuse through a small hole and 6.1 min for the same amount of N₂ to effuse through the same hole?

• A) 74 g/mol
• B) 30 g/mol
• C) 4.0 g/mol
• D) 40 g/mol
• E) none of these

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