Rearrange the following ($I$ to $IV$) in the order of increasing masses:
$(I)$ $0.5$ mole of $O_3$
$(II)$ $0.5 \, g$ atom of oxygen
$(III)$ $3.011 \times 10^{23}$ molecules of $O_2$
$(IV)$ $5.6 \, L$ of $CO_2$ at $STP$

  • A
    $II < IV < III < I$
  • B
    $II < I < IV < III$
  • C
    $IV < II < III < I$
  • D
    $I < II < III < IV$

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