badem2407 badem2407 26-10-2022 Chemistry contestada The sulfur dioksida stack gas concentration from fossil fuel combustion plant was measured as 5 microgram/m^3 at STP. Determine the SO2 concentration in the stack gas in units of ppm a) at 0 C and 1 atm pressure. b) at 350 C and 0.5 bar pressure.