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OSMOSIS what do you expect to happen!

  1. Apr 18, 2005 #1
    OSMOSIS!!! what do you expect to happen!

    Hey guys can someone help me with the osmosis scenarios and rank them in order of the most mass gained and also write a good definition of what osmosis is thanks.

    thanks

    first of all i have the following solutions
    i have 5% sucrose in dialysis tube in distilled water - cup 1
    i have 10% sucrose in dialysis tube in distilled water - cup 2
    i have 20% sucrose in dialysis tube in distilled water - cup 3
    i have 20% sucrose in (0.9% nacl solution - cup 4
    i have 5% nacl in distilled water - cup 5

    my definition of osmosis is what it think is the net movement of water molecules from area of high concentration to low concentration.

    normally i would expect the higher concentration in the dialysis tube the more it will gain in mass but i got confused with the 5% nacl in distilled water and 20% sucrose in 0.9% nacl, i dont know which is more concentrated but would i assume 20% sucrose in 0.9% nacl isotonic??? please rate the order you guys think from less increasing mass - most increasing mass i will have a shot and chose.

    THE ORDER from 1 (lowest increasing mass ) to 5 ( most increasing mass)

    1. cup 4
    2. cup 1
    3. cup 2
    4 cup 5
    5. cup 3

    thats my guess anyone else want to give a try????
     
  2. jcsd
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