Answer to Question #100049 in General Chemistry for Beverlie

Question #100049

Gas Y effuses half as fast as O2. What is the molar mass of gas Y? answer in g/mol

Expert's answer

"r_y\/r_{O_2}=\u221a(M_{O_2}\/M_y)=1\/2"

"M_{O_2}\/M_y=1\/4"

"M_y=32\u00d74=128g\/mol(Answer)"

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