#### Answer

$$COP = 8.53$$
$$m = 1103 \ kg$$

#### Work Step by Step

We know that COP is given by:
$$ COP = \frac{T_c}{Tc+T_h}$$
We plug in the values in Kelvin to have:
$$COP = 8.53$$
We know
$$ COP = \frac{mL}{W}$$
We know that the latent heat of fusion for water is .334 MJ/kg.
We plug in the given values to obtain:
$$m = 1100 \ kg$$