Calculate the solubility of a gas having partial pressure 0.15 bar at $25^{\circ} \mathrm{C}$.…

Calculate the solubility of a gas having partial pressure 0.15 bar at $25^{\circ} \mathrm{C}$. $\left[\mathrm{K}_{\mathrm{H}}=0.16 \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{bar}^{-1}\right]$
  1. $2.4 \times 10^{-2} \mathrm{~mol} \mathrm{dm}^{-3}$
  2. $3.0 \times 10^{-2} \mathrm{~mol} \mathrm{dm}^{-3}$
  3. $2.7 \times 10^{-2} \mathrm{~mol} \mathrm{dm}^{-3}$
  4. $1.8 \times 10^{-2} \mathrm{~mol} \mathrm{dm}^{-3}$.

Solution

$\begin{aligned} \mathrm{S}=\mathrm{K}_{\mathrm{H}} \mathrm{P} & =0.16 \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{bar}^{-1} \times 0.15 \mathrm{bar} \\ & =2.4 \times 10^{-2} \mathrm{~mol} \mathrm{dm}^{-3}\end{aligned}$

Asked in: MHT CET 2024 (10 May Shift 2)

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