# How do I know how many molecules a solute will split into when it dissolves in a solvent?

I'm in high school and I'm learning about freezing point depression and boiling point elevation. I've been given this chemistry problem:

Acetic acid has a boiling point elevation constant of 2.93 and a normal boiling point of 118.1 Celsius. What would be the boiling point of a solution made by dissolving 100.0 grams of calcium carbonate (CaCO3) in 400.0 grams of acetic acid?

This requires me to use the equation for boiling point elevation, that is: ΔTb = Kb · bsolute · i, or change in temperature = the ebullioscopic constant * the molality of the solution * the number of ions the solute splits into.

My question is how does one determine i for a given solute in a case like this? Thanks for any help you can give!

• Never mind. I figured it out. How do I delete this? Jul 3, 2017 at 22:08
• Theres no need to delete, you can always answer your own question so anyone looking in the future can follow your working Jul 3, 2017 at 22:20