What is the molality of a solution prepared by dissolving 80.0g of ethylene glycol, HOCH₂CH₂OH, in 1.45 L of water? Assume the density of water is 1.00 (g)/(m)L.

a) 0.640 m
b) 0.688 m
c) 0.712 m
d) 0.734 m