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Suppose the average concentration of NO2 is measured to be 85 micrograms/m^3 at 25 degree Celsius...

Suppose the average concentration of NO2 is measured to be 85 micrograms/m^3 at 25 degree Celsius and 1 atm. MW of N02 is 46 grams.

1. Express that in standard ppmv at 1 atm of pressure and 25 degree Celsius.

2. Does this exceed the air quality standard of 53 ppbv at 25 degree Celsius and 1 atm?

3. At the elevation of Denver, the pressure is about .82 atm. Express the NO2 standard of 53 ppb in micrograms/m^3 at 0.82 atm and at a temperature of 5 degree Celsius.

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