Calculate the pressure of $HCl$ gas having a density of $8 \, kg \, m^{-3}$ at a temperature of $-40 \, ^oC$. (Given: $R = 8.314 \, J \, K^{-1} \, mol^{-1}$,Molar mass of $HCl = 36.5 \, g \, mol^{-1} = 0.0365 \, kg \, mol^{-1}$)
- A$4.24 \times 10^{5} \, Pa$
- B$5.24 \times 10^{5} \, Pa$
- C$3.24 \times 10^{5} \, Pa$
- D$6.24 \times 10^{5} \, Pa$
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