Examine Figure 41

Examine Figure 41.1. Which of the following BEST describes conditions at equilibrium?

A) No water molecules are moving across the barrier between the two compartments.
B) A net movement of water molecules continues to add water to the right-hand compartment.
C) A net movement of water molecules begins to add water to the left-hand compartment.
D) Water molecules move randomly across the barrier with no net addition of water to either side.
E) None of the answer options is correct.