MHT CET 2022 Chemistry question
Calculate the pressure of gas if the solubility of gas in water at C is 6.85 x mol (Henry's law constant = 6.85 x mol )
Answer: (D)
Solution
By Henry's law the solubility of a gas is proportional to its pressure: , so p = \dfrac{S}{K_H} = \dfrac{6.85\times10^{-4}\ \mathrm{mol\ dm^{-3}}}{6.85\times10^{-4}\ \mathrm{mol\ dm^{-3}\ bar^{-1}}} = 1\ bar. This
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