The volume occupied by the molecules contained in 4.5 kg water at STP, if the intermolecular forces vanish away is :

5.6 x 106 m3 5.6 x 103 m3 5.6 x 10-3 m3 5.6 m3

5.6 m3

Ideal gas equation : PV = nRT  P = 105 Nm-2 ; T = 273 K V = 5.66 m3