Boiling point constants help us to determine:

Explanation

Boiling point elevation is a colligative property that depends on the number of solute particles in a solution. The boiling point constant, Kb, is a proportionality constant that relates the molality of a solution to the elevation in boiling point.The equation for boiling point elevation is:ΔTb = Kb x molalitywhere ΔTb is the change in boiling point, Kb is the boiling point constant, and molality is the concentration of the solute in mol/kg of the solvent.By measuring the change in boiling point and knowing the boiling point constant of the solvent, we can calculate the molality of the solution. Then, using the molality and mass of the solute, we can calculate the molar mass of the solute. Therefore, boiling point constants help us to determine molar masses of solutes in solutions.