Calculate the density of a gas at NTP if its density at 27°C and 1.8 bar pressure is 5.4gdm−3

D1=?,P1=1.0atm=1.01325bar;T1=273KAt given condition :D2=5.4gdm−3,P2=1.8bar;T2=27+273=300K.In terms of density :D1T1P1=D2T2P2;D1=D2T2P2×P1T1∴  D1=5.4gdm−3×300K×1.01325bar1.8 bar ×273K=3.34gdm−3