Two Kilograms of Water at 100 $\degree$ C Is Converted to Steam at 1 Atm

Two kilograms of water at 100 $\degree$ C is converted to steam at 1 atm. Find the work done (in J) . (The density of steam at 100 $\degree$ C is 0.598 kg/m3.)

A) 3.4 * 105
B) 1.2 * 105
C) 4.6 * 104
D) 2.1 * 104
E) 3.4 * 104