[单选题]
In order to calculate the specific latent heat of fusion of ice, a mass
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If q is the energy needed to make this change for 1 kilogram of ice, the specific heat capacity of ice is $c_i$, the specific heat capacity of water is $c_w$, and the specific latent heat of fusion of ice is $L_F$.
Which expression gives the specific latent heat of fusion of ice $L_F$?
