2.6 a toxic gas with rotten egg-like smell, is used for the qualitative analysis. If the solubility of in water at STP is calculate Henry’s law constant.
For finding Henry's constant we need to know about the mole fraction of H2S.
Solubility of H2S in water is given to be 0.195 m .
i.e., 0.195 moles in 1 Kg of water.
At STP conditions, pressure = 1 atm or 0.987 bar
Equation is :
So we get :
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