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Solute Cocentration Vs. Water Movement Over A Selectively Permeable Membrane
In this experiment, we will investigate the relationship between solute concentration and the movement of water across a selectively permeable membrane, or dialysis tubing. In doing this, we will better understand the concept of osmosis. We will be examining the net movement of water from a hypertonic solution (a solution with more solute), to a hypotonic solution (less solute). Our hypothesis for this lab is as follows: If the water potential of the hypertonic solution is less than the water potential of the hypotonic solution, then the net movement of water will be from hypotonic to hypertonic, or into the dialysis bag.
For this lab, we followed the guidelines set up for us by the AP Biology Lab Manual, Third edition, pages 4-8. We made one change to the lab, allowing our dialysis bags to sit for 25 minutes instead of 30. The data from our experiment is presented in Table 1. The graph in Table 1 shows that the relationship between the change in mass and the molarity of......
Approximate Word Count: 384
Approximate Pages: 2
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Solute Cocentration Vs. Water Movement Over A Selectively Permeable ...
Solute Cocentration Vs. Water Movement Over A Selectively Permeable Membrane In this experiment, we will investigate the relationship between solute concentration...