At $293 \ K$,methane gas was passed into $1 \ L$ of water. The partial pressure of methane is $1 \ bar$. The number of moles of methane dissolved in $1 \ L$ water is ($K_{H}$ of methane $= 0.4 \ kbar$)

  • A
    $1.38$
  • B
    $1.38 \times 10^{-2}$
  • C
    $1.38 \times 10^{-3}$
  • D
    $1.38 \times 10^{-3}$

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