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Osmosis Coursework- Preliminary Work Aim The aim of my osmosis coursework is to determine the concentration of cell sap, inside a potato. I will determine the concentration of cell sap by, using different concentrations of sucrose solution outside the potato. I will do this to this to see, which solution best matches the cell sap inside the potato. If the water is less in the potato, then the potato will gain water and increase in mass. However if the water is more in the potato, then the potato will lose water and decrease in mass. This therefore means, if the sucrose concentration outside equals the concentration of cell sap inside, there will be no net movement of water (osmosis). So, if there is no net movement of water, the potato's mass will stay the same. Fair Test In order to make my experiment a fair test, I will keep the following constant: The amount of...

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