Eh2S toxic gas with rotten egg …
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Sia ? 6 years, 5 months ago
Solubility of H2S gas = 0.195 m
= 0.195 mole in 1 Kg of the solvent (water)
1 Kg of the solvent (water ) = 1000 g
{tex}= \frac{{1000g}}{{18\,g\,mo{l^{ - 1}}}}{/tex} = 55.55 moles
Mole fraction of H2S gas in the solution (x) {tex} = \frac{{0.195}}{{0.195 + 55.55}}{/tex}
{tex}= \frac{{0.195}}{{55.745}}{/tex}= 0.0035
Pressure at STP = 0.987 bar
Applying Henry's law
{tex}P_{H_2S}=K_H\times X_{H_2S}{/tex}
{tex}K_H=\frac{P_{H_2S}}{X_{H_2S}}{/tex}
{tex}= \frac{{0.987\,bar}}{{0.0035}}{/tex}
= 282 bar
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