For water (m.p. 0c. b.p. 100C AHmelt. - 6.01 kJ/mol ac 0C AHvap. - 44 kJ/mol at 100C cwater = 75.2j/molk Which one of the following is the amount of heat (in kJ) that must be absorbed to convert 108 g of ice at oc to water at 70C. (H20-18 g/mole) a) 68 b) 50 C) 64 e) 57