Answer: -
Thus Colligative properties depend most on concentration of solute particles.
Explanation: -
Colligative properties are the properties of a solution that depends only on the number of particles of the solute present in the solution and not on the identity of the solute.
The number of solute particles present per unit volume in a solution is referred to as the concentration of solute particles.
Thus Colligative properties depend most on concentration of solute particles.