Your friend came to you for several questions regarding the volatility, bioaccumulation potential and toxicity of BTEX compounds commonly present in the light fraction of gasoline. You find the following data from a reference book (E. R. Weiner, 2000) and try to help him.
Chemicals Solubility (mg/L) Henry's Law constant (unitless) log KOW
Benzene 1750 0.228 2.13
Toluene 626 0.272 2.75
Ethlybenzene 169 0.323 3.14
o-xylene 178 0.213 3.13
m-xylene 161 0.301 3.20
p-xylene 185 0.314 3.17
(1) Write the chemical structure of each compound.