Latent Heat Problem

[chrisman10]

Gallium is a one of the few metals that melts near body temperature, its melting point is about 30 C. The latent heat of fusion gallium is 80.4kj/kg. Calculate how much heat is required to melt 150.0g of gallium.(12.1kJ)

 

My answer to this solution is 4337 J/kg. Am i correct?

 

Please explain if you can.

 

Thank you

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