Final answer:
The higher the number of molecular particles in a solution, the greater their potential to create osmotic effects. Solute concentration directly affects osmotic pressure, and dissociation of solutes into ions increases this effect.
Step-by-step explanation:
The higher the number of molecular particles is, the greater will be the number of particles that can produce osmotic effects. Osmotic pressure is directly proportional to the concentration of solute particles present in a solution. When a solute such as NaCl dissociates in water, it forms more particles (Na+ and Cl-) compared to a molecule like glucose, which does not dissociate. Hence, NaCl has a greater effect on osmotic pressure compared to an equal molarity of glucose. Solutions that have the same solute particle concentration and osmotic pressure are termed isotonic. When there's a difference, the one with the higher concentration is called hypertonic, which signifies a higher number of solute particles compared to a hypotonic solution.