What Is the Molar Mass of a Gas If It

question 10

Multiple Choice

What is the molar mass of a gas if it takes 0.64 min to effuse through a small hole and 2.4 min for the same amount of N₂ to effuse through the same hole?

• A) 64 g/mol
• B) 2.0 g/mol
• C) 4.0 g/mol
• D) 88 g/mol
• E) none of these

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