The molar volume of CO2 is maximum at?

The molar volume of CO2 is maximum at?

Explanation

Maximum molar volume is at 127°C and 1 atm = 32.84 L

T = 127 + 273 = 400 K, P = 1 atm  
V = (0.0821 × 400) / 1 = 32.84 L