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 Form 3 Chemistry Video Questions and Answers on Gas Laws

#100cm^3# of sample of ethane gas diffuses through a porous pot in 100 seconds. What is the molecular mass of the gas Q if #100cm^3# of the gas diffuses through the same porous pot in 121 seconds under the same conditions? (C=12.0,H=1.0)

 (3m 56s)
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