Question

The FEMA/ATSDR study also evaluated concentrations of formaldehyde in trailers ventilated using different methods. In one group of trailers, ventilation was provided using the air conditioning system with open static vents in the bathroom. After several days, the average formaldehyde concentration was found to be 0.42 ppmv. What would be the mass (in mg) of formaldehyde vapor in a trailer with a volume of 900 m3?

Answer 1

3 30 axi e 42x 2.7 1134