Civil Engineering > GATE 2020 SET-1 > Environmental Engineering
A gaseous chemical has a concentration of 41.6 μmol/m3 in air at 1 atm pressure and temperature 293 K. The universal gas constant R is 82.05 × 10-6 (m3 atm) / (mol K). Assuming that the ideal gas law is valid, the concentration of the gaseous chemical (in ppm, round off to one decimal place), is _______.
Correct : 0.9 to 1.1
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