Sand Dune Ecology Coursework;
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Evaluation
In the most of the concentration of the sucrose solutions (0.6,0.8,1.0) the potato chips have significantly decreased in length. This is because if the solutions concentration had a lower concentration of water molecules compared to the cells in the potato, then the direction of the net movement of water molecules would diffuse out of the potato cells and into the solution. The potato chip would be flaccid and decrease in length.
In the water, the length of the potato chips increased, this is because the solutions concentration had a higher concentration of water molecules compared to the cells in the potato, then the direction of the net movement of water m0lecules would diffuse out of the potato cells and into the solution. The potato chips would become turgid and increase in length. This is because osmosis is a net diffusion of water from an increase of high water potential to an area of lower water potential.
Looking at the results obtained it can be seen that the potato chips have decreased in length as the molarity solution increased, but there were a number of anomalous results...