Which of the following contain the same number of atoms? (Given: Molar mass in g mol^-1 of H, He, O and S are 1, 4, 16 and 32 respectively) A. 2 g of…

Which of the following contain the same number of atoms ? (Given : Molar mass in $\displaystyle \mathrm{g} \mathrm{mol}^{-1}$ of H, He, O and S are $\displaystyle 1$, $\displaystyle 4$, $\displaystyle 16$ and $\displaystyle 32$ respectively) A. $\displaystyle 2$ g of $\displaystyle \mathrm{O}_2$ gas B. $\displaystyle 4$ g of $\displaystyle \mathrm{SO}_2$ gas C. $\displaystyle 1400$ mL of $\displaystyle \mathrm{O}_2$ at STP D. $\displaystyle 0.05$ L of He at STP E. $\displaystyle 0.0625$ mol of $\displaystyle \mathrm{H}_2$ gas Choose the correct answer from the options given below :