The number of moles and volume in $56 \ g$ of nitrogen $(N_2)$ are respectively:

  • A
    $1 \ mol, 40.8 \ L$
  • B
    $1 \ mol, 22.8 \ L$
  • C
    $2 \ mol, 44.8 \ L$
  • D
    $1 \ mol, 20.1 \ L$

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