Question

What happens when two solutions separated by a selectively permeable membrane reach osmotic equilibrium? what happens when two solutions separated by a selectively permeable membrane reach osmotic equilibrium? water molecules move between the two solutions, but there is no net movement of water across the membrane. water molecules continue to move from the hypotonic solution to the hypertonic solution. water molecules no longer move between the solutions?

Answer 1

The answer should be water molecules still move between two solution, but no net movement.
Osmotic equilibrium means where two solution has reached the same amount of water potential because of the osmosis before, they have the same solute concentration now.
Always remember that water molecules still move in all solutions, but just that since there's no more concentration difference, the water molecules that move from right to left and left to right is equal. Therefore there's no net movement.