If pure water and a solution containing a nonpenetrating solute are separated by a membrane,
a. water will diffuse by osmosis until the concentrations between the two compartments become equal.
b. both water and the solute will diffuse across the membrane down their concentration gradients until a state of equilibrium is established.
c. water will diffuse by osmosis until stopped by an opposing hydrostatic pressure.
d. no movement will take place across the membrane.
e. it is impossible to predict what will happen.
C
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