Molecular Weight & Diffusion (quick question)

Soft Spot electrostatic at
Thu Apr 1 20:58:18 EST 1999


Could someone tell me which kind of substance a selectively permeable
membrane will more readily let through- a substance with a higher
molecular weight, or a lower one? I have a lab class coming up, and we
haven't covered it yet, but I'd like to get my predictions for the
experiment out of the way now. Thanks much.


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