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Diffusion-driven transfer of solvent molecules through a semipermeable membrane is:
ADistillation
BCalled osmosis
CCalled dialysis
DFiltration
Answer & Solution
Correct answer: B. Called osmosis
1. Membranes let some particles through and not others.
2. Certain materials are generally referred to as semipermeable membranes.
3. Diffusion-driven transfer of solvent molecules through such a membrane is osmosis.
4. Transfer continues until osmotic pressure yields equal rates in both directions.
_Source: OpenStax Chemistry 2e (CC BY 4.0), Ch 11 'Solutions and Colloids', sections 11.1-11.5_
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