Explanation:
It is given that mass of acetic acid is 17.9 g and freezing point is given as [tex]10.01^{o}C[/tex].
For acetic acid, [tex]\Delta H_{f}[/tex] = 0.185273 kJ/g
Therefore, total heat removed to convert 17.9 g of acetic acid from liquid to solid is as follows.
Q = [tex]m \times \Delta H_{f}[/tex]
= [tex]17.9 g \times 0.185273 kJ/g[/tex]
= 3.316386 kJ
Thus, we can conclude that 3.316386 kJ energy must be removed to convert all 17.9 g of liquid acetic acid to solid acetic acid.