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3. (30 points total) Air in a 600-ft container is at ambient condition (25C & 1 atm) with the initial mole fraction of water 0.06. In that container, 4.5 lbm dry silica gel are placed. The equilibrium curve for the Air-Silica gel system is Y=0.45X. Silica gel adsorbs water, therefore water is the only transferring component. Y is the ratio of the mass of water to the mass of dry air in the air phase, while X is the ratio of the mass of water to the mass of dry silica gel (dry solid) in the solid phase. Calculate the initial and final partial pressure of water in the air and the final moisture content of the solid phase in terms of weight fraction