A 180g block of ice at 0∘C is placed on a hot plate that delivers a steady 5.50kJ of thermal energy to the ice. The pressure remains constant at 1atm. The molar enthalpy of fusion for water is 6.01kJ mol−1.
(a) Calculate the mass of ice that melts as a result of the supplied energy.
(b) Determine the fraction of the original ice block (expressed as a percentage) that undergoes the phase change.