Question

What mass of CO2 is needed to fill an 80.0 L tank to a pressure of 150.0 atm at 27.0°C?

Answer 1

We know that:
PV = nRT
and n = mass/Mr
PV = mRT/Mr
m = PVMr/RT
m = (150 x 101325)(80 x 10⁻³)(44) / [(8.314 x (27 + 273)]
m = 21,449 kg of CO₂