10 litre container contains He at 210 atm and 300K. Given value of 'b' for '$\mathrm{He}$' is $0.08 \mathrm{dm} 3 {\mathrm{mol}}^{-1}$ Compressibility factor is (R = 0.08 atm$\mathrm{L} {\mathrm{moI}}^{-1}/{\mathrm{K}}^{-1}$)

10 litre container contains He at 210 atm and 300K. Given value of 'b' for '$\mathrm{He}$' is $0.08 \mathrm{dm} 3 {\mathrm{mol}}^{-1}$ Compressibility factor is (R = 0.08 atm$\mathrm{L} {\mathrm{moI}}^{-1}/{\mathrm{K}}^{-1}$) is :$Z=1+\frac{Pb}{RT}(\text{ Since, }Z>1\text{ for }He)=1.7$