An unknown gas effuses through a small hole one half as fast as methane, CH_(4), under the same conditions. What is the molar mass of the unknown gas?

An unknown gas effuses through a small hole one half as fast as methan

1.	An unknown gas effuses through a small hole one half as fast as methane, CH_(4), under the same conditions. What is the molar mass of the unknown gas?
Answer» `4G "MOL"^(-1)` `8G "mol"^(-1)` `32g "mol"^(-1)` `64g. "mol"^(-1)` Answer :d