How much heat (in kJ}) is required to vaporize it? (Assume a density of 1.00 g/mL )

Question

I have this

60.0ML/ 1.00 g/ml = 60grams

60/153/81 g/mol = .3900916715 moles

.3900916715 moles / 43.9 kj/mol = 17.122

And it keeps telling me the answer is wrong.

Answer 1

See my response to your first post below.