A sample of an unknown gaseous element contains molecules

CHEMISTRY · Single correct · CBSE · Chemistry · Some Basic Concepts of Chemistry · Some Basic Concepts of Chemistry

Problem

1.80\,\text{g}

sample of an unknown gaseous element contains

4.50\times10^{22}

molecules. Based on these data, which molar mass is closest to that of the gas? (a)

44\,\text{g\,mol}^{-1}

(b)

24\,\text{g\,mol}^{-1}

(c)

12\,\text{g\,mol}^{-1}

(d)

18\,\text{g\,mol}^{-1}