Answer
22.0 kJ
Work Step by Step
Energy $=n\times-\Delta H _{fusion}$
$=65.8\,g\times\frac{1\,mol\,H_{2}O}{18.02\,g}\times\frac{-6.02\,kJ}{1\,mol\,H_{2}O}$
$=22.0\,kJ$
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