2)solute concentration bcz if osmotic pressure increases then solute concentration is also increases

Osmotic Pressure:

Osmotic pressure is defined as the pressure required to stop the movement of solvent molecules from a region of low solute concentration to a region of high solute concentration through a semipermeable membrane.

Factors Affecting Osmotic Pressure:

The osmotic pressure is a function of various factors, including:

1. Solute Concentration:

The osmotic pressure is directly proportional to the concentration of solute molecules present in the solution. The higher the concentration of solute molecules, the higher the osmotic pressure.

2. Solvent Amount:

The amount of solvent present in the solution also affects the osmotic pressure. The higher the amount of solvent, the lower the osmotic pressure.

3. Osmotic Potential:

The osmotic potential is the tendency of a solution to move from a region of high solute concentration to a region of low solute concentration. The higher the osmotic potential, the lower the osmotic pressure.

4. Water Potential:

Water potential is the tendency of water molecules to move from an area of high concentration to an area of low concentration. The higher the water potential, the higher the osmotic pressure.

Conclusion:

In summary, osmotic pressure is a function of solute concentration, solvent amount, osmotic potential, and water potential. Understanding these factors is essential in determining the osmotic pressure of a solution.