Of the substances that diffused through the bag, did all of the molecules diffuse out?

We will dialyze a solution of glucose and starch to observe:
?? The directional movement of glucose and starch.
?? The effect of a selectively permeable membrane.
In this lab, we will be using an indicator to test for the presence of starch and glucose. An indicator is a
substance that changes color when in the presence of the substance it indicates.
Experimental Protocol
Materials needed:
Glucose solution (M.W. =180g/mole)
1% starch solution (M.W. = >15,000g/mole)
Lugol?s solution (Potassium iodine)
4 glucose test strips
*15cm piece of dialysis tubing
(4) 100ml beaker
*Water
4 small rubber bands
7 graduated pipettes
*Watch or timer