Convert 0.2 ppmv of NO and 0.15 ppmv NO2 to \mu g/m 3 at 25 \deg C and 760 mm Hg?
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The European Environment Agency publishes weekly values of NO2 concentrations for cities across Europe, which are reported in μg m-3 (micrograms per cubic meter). These concentration values can be converted to fractional abundance by using the following equation:Fractional abundance = (Concentration (μg m-3) x molar volume (m3 mol-1)) / molecular mass (g mol-1).The molecular mass of NO2 is 44 g mol-1. The molar volume of air at 1 atm is 0.02445 m3 mol.The NO2 concentration measured in Lyon, France, in the third week of February 2020 was 57.7 μg m-3.- What is the fractional abundance of NO2 in the air? Show your calculations.- Express this value in ppb. Show your calculations.
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Convert 230 μg/m³ to the ppm scale if the pollutant is NO2(g), at P = 1 atm and T = 298 K.
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A cubic meter of air sample was sampled at 1.0 atm and 20 degrees celsius. An analysis of that sample found it to contain 8.0 micrograms of NO2. How many ppb of NO2 is in that air?
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