Question

Water freezes completely at 0.00° C, giving off 12.0 kcal of heat. What is the mass of the water? (heat of fusion (∆Hf) = 80.0 cal/g)
Please show work

Answer 1

mass H2O x heat fusion @ 0.00 C = q
mass H2O x 80 cal/g = 12,000 cal