$A$ gaseous mixture contains $65\%$ $N_2$,$15\%$ $O_2$,and $20\%$ $CO_2$ by volume at a total pressure of $760 \, mm \, Hg$. Calculate the partial pressure of each gas in $mm \, Hg$.

  • A
    $494, 114, 252$
  • B
    $494, 224, 152$
  • C
    $494, 114, 152$
  • D
    None of these

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