An ethanol-water vapor mixture is being rectified by contact with an alcohol-water liquid solution. Alcohol is being transferred from gas to liquid and water from liquid to gas. The molal flow rates of alcohol and water are equal but in opposite directions. The temperature is 95°C and the pressure 1 atm. Both components are diffusing through a gas film 0.1 mm thick. The mole percentage of the alcohol at the outside of the film is 80 percent, and that on the inside is 10 percent. Calculate the rate of diffusion of alcohol and of water in pounds per hour through a film area of 10 m².