The $\%$ composition by volume of $Cl_2, H_2$,and $N_2$ are in $1:2:7$ by proportion. If the total pressure is $40 \ bar$,find the partial pressures of each gas?
[ Partial pressure $= \frac{\text{Volume } \% \times \text{Total pressure}}{100} ]$

  • A
    $P_{Cl_2} = 4 \ bar, P_{H_2} = 8 \ bar, P_{N_2} = 28 \ bar$
  • B
    $P_{Cl_2} = 8 \ bar, P_{H_2} = 4 \ bar, P_{N_2} = 28 \ bar$
  • C
    $P_{Cl_2} = 28 \ bar, P_{H_2} = 8 \ bar, P_{N_2} = 4 \ bar$
  • D
    $P_{Cl_2} = 4 \ bar, P_{H_2} = 28 \ bar, P_{H_2} = 8 \ bar$

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