The log Henry's Law constant (units of L-atm/mole and measured at 25 degrees Celsius) for trichloroethylene is 1.03; for tetrachloroethylene, 1.44; for 1, 2-dimethylbenzene, 0.71; and for parathion, -3.42.
(a) What is the dimensionless Henry's law constant for each of these chemicals?
(b) Rank the chemicals in order of ease of stripping from water to air.