Question: A 2.57 gram sample of argon diffuses through a hole in 10.0 minutes. Under the same conditions of pressure and temperature, an 5.50 gram sample

  1. A 2.57 gram sample of argon diffuses through a hole in 10.0 minutes. Under the same conditions of pressure and temperature, an 5.50 gram sample of an unknown gas diffuses through. the same opening in 60.0 minutes (1.00 hour). What is the molecular mass of the unknown gas?

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