What Is the Total Motional Contribution to the Molar Internal $\circ$

Multiple Choice

What is the total motional contribution to the molar internal energy of gaseous H₂O at 25 ^$\circ$ C?

A) 6.19 kJ.mol^-1
B) 7.43 kJ.mol^-1
C) 3.72 kJ.mol^-1
D) 12.4 kJ.mol^-1
E) 2.48 kJ.mol^-1