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Problem 2(50pts). A packed absorption tower (Zpacking=25ft; Internal Diameter =3ft) is used to remove carbon dioxide from air by means of a caustic soda solution all at 60F. a) How much CO2 (in mole \%) is removed from the inlet gas? b) For a gas flow rate of 75m3(STP)/min, estimate the gas phase overall mass transfer coefficient FOGah in kmoles/(m3min). If necessary, you may assume that the properties of the caustic soda solution are those of water at 60F. Show a detailed schematic, a list of assumptions made, and all equations and necessary derivations. The following process combined equilibrium/operation data is available: Problem 2(50pts). A packed absorption tower (Zpacking=25ft; Internal Diameter =3ft) is used to remove carbon dioxide from air by means of a caustic soda solution all at 60F. a) How much CO2 (in mole \%) is removed from the inlet gas? b) For a gas flow rate of 75m3(STP)/min, estimate the gas phase overall mass transfer coefficient FOGah in kmoles/(m3min). If necessary, you may assume that the properties of the caustic soda solution are those of water at 60F. Show a detailed schematic, a list of assumptions made, and all equations and necessary derivations. The following process combined equilibrium/operation data is available