Calculate the Heat of Fusion of an Unknown Pure Substance

Calculate the heat of fusion of an unknown pure substance if 5.33 × 10³ kJ of heat is required to melt a 17.2 kg sample.

A) 1.09 × 10^-5 J/g
B) 3.23 × 10^-3 J/g
C) 3.10 × 10² J/g
D) 9.17 × 10⁴ J/g
E) 3.10 × 10⁵ J/g