I am doing a boiling point problem and don't know the value of i for the equation delta T = i(kb)(m)

Question

solution contains 45.0g caffeine in 25.0 g benzene.

Answer 1

can caffeine (the solute) be dissociated into ion particles? If not, then it is just 1.

http://library.thinkquest.org/C006669/data/Chem/colligative/colligative.html

Answer 2

For caffeine, i = 1. USUALLY, i is greater than 1 for ionic compounds, not covalent ones.