Question: Problem (7): A power plant stack has a width of 6 meters and contains a concentration of 30 ppm of NO2. The plant has a

Problem (7): A power plant stack has a width of 6 meters and contains a concentration of 30 ppm of NO2. The plant has a monitor to measure the plume opacity is the stack, which has a light source with a wavelength of 0.45um. The opacity standard of 5 percent opacity is intended to be a measure of the particulate loading. (a) Determine the value of opacity that is created by the presence of the NO2 if the instrument is a single pass instrument. (b) Reconsider part (a) if the wavelength of the light is changed to 0.55 um (2.5 points)
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