Henry's law constant for the molality of methane in benzene at 298K is 4.27×105mmHg. Calculate the solubility of methane in benzene at 298K under 760mmHg.
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Solution
It is given that the molality of methane in benzene at 298K is 4.27×105 mm of Hg.
C=pk
C=760mmHg4.27×105mmHg/m
C=1.78×10−3 m
Here, C is the molality of methane in benzene, p is the pressure of methane and k is Henry's law constant.