An experiment to determine compound partitioning among air, water and solid phases was

conducted by adding $1$ gram of the compound $A$ to a reactor that had $1m^3$ of air, ${10}^{-3}{m}^3$ of

water, and $100g$ of solid. The reactor was at atmospheric pressure and at a constant

temperature of $20C.$ The compound has a molecular weight of $100\frac{g}{m}$ole. Once equilibrium

is reached, the air has a mass concentration of $0\mathrm{.}500\frac{g}{m^3},$ and the water has a mass

concentration of $200\frac{g}{m^3}.$

a$.$ Determine the value of the Henry law constant $H_{cc}$ with units of $m^3$ water $\frac{?}{m^3}$ air.

b$.$ Given that the adsorption isotherm between water and the solid phase for this compound is

linear, determine the isotherm constant $(K_p$ in $\frac{L}{k}g).$