A Sample of Oxygen Gas (O₂)was Found to Effuse at a Rate

question 172

Multiple Choice

A sample of oxygen gas (O₂) was found to effuse at a rate equal to three times that of an unknown gas.The molecular weight of the unknown gas is ________ g/mol.

• A)288
• B)96
• C)55
• D)4
• E)10.7

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