A new pesticide, MCTPi is added to a dosed ecosystem containing air, water, and fish, ail at 25°C. Given the information below, compute the approximate distribution of MCTP in the system if: (a) 0.1 mol of MCTP is added to the system.

{b) 75.0 mol of MCTP is added to the system.

(c) after removing some of the MCTP from the system in part (b), the equilibrium concentration of M CTP in the ecosystem air is 5 x 10-4mol/m3 . Estimated phase volumes:

Ecosystem = 200 m3

Water= 18 m3

Fish = 0.001 m3

MCTP properties: Kow= 3200

Kb = K. ow /0.7

Molecular weight= 150 g/mol

Aqueous solubility= 200 mg/L. Vapor pressure = 400 Pa, Density = 1.4 g/mL