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Paul Robinson Biology coursework- Osmosis Analysis, The basic trend the graph shows is as the molarity of the sucrose solution increases, the percentage change in mass decreases, so more water is being lost. After averaging the three repeats of the experiment using my raw data from the investigation experiment, I calculated the change in mass by using this calculation: Change in mass ___________________ X 100 = Percentage change in mass. Initial mass The general trend of my graph and the results fits in with the principle of osmosis. Osmosis is the movement of water molecules from a high concentration to a low concentration through a permeable membrane. The higher the molarity of the solution the more water that is likely to move from a high concentration in the potato to a lower concentration of the solution. In Osmosis the water molecules move from a higher water potential to a lower water...

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