Look at the diagram below.

the yellow oval represents a cell with a semi-permeable membrane. the small, black dots represent molecules of water, and the larger, blue dots represent a solute such as sugar or salt. the membrane allows small molecules such as water to pass through, but it does not allow larger molecules such as solute to pass.

what will happen to the substances in this diagram to bring the concentrations closer to equilibrium

Water will flows out of the cell equilibrium in the surrounding its reach equilibrium.

Osmosis:

It is a process by which molecules of solvent move from its higher concentration to the lower concentration through a semi permeable membrane until its reach equilibrium.

In the picture there is more water in side the in comparison to its outer side.

Therefore, water will flows out of the cell equilibrium in the surrounding its reach equilibrium.

To know more about Osmosis,

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In order to reach equilibrium, water will move outside the cell to reach equilibrium. A cell tends to lose or gain water in order to reach equilibrium.

If there are more number of solutes outside the cell, then the water will move out of the cell in order to maintain equilibrium. On the other hand, if there are more number of solutes inside the cell then the water will move inside the cell to maintain equilibrium.

it will increase due to the time span