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?A. `4g "mol"^(-1)`B. `8g "mol"^(-1)`C. `32g "mol"^(-1)`D. `64g. "mol"^(-1)`

Answer» Correct Answer - d


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