If Pure Water and a Solution Containing a Nonpenetrating Solute

question 161

Multiple Choice

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.

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