Express your answer numerically in kilojoules Solution You h

Express your answer numerically in kilojoules.

Solution

You have 69.0mg of ice (H2O) which has a molar mass of 18.02 g/mol.
69.0/18.02 =3.8295m mol of ice
Heat = 3.8295*6.02 = 23.05359J.
Therefore about 23.05359J of heat is required.