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Investigating Osmosis in Potato Cylinders
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| Submitted: Wed Aug 20 2003
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INVESTIGATING OSMOSIS IN POTATO CYLINDERS Osmosis is the passage of water molecules from a weaker solution into a stronger solution, through a partially permeable membrane. In this case, the tiny holes in the membrane of the potatoes will allow the water molecules to pass through in and out of the solution and the potato, depending on the concentration gradient of the two substances. Preliminary Experiment Aim Find the concentration of sugar solution at which there is no change in length of the potato cylinders. This concentration will be the same concentration as the sell cap. Prediction I predict, when the water concentration is lower in the tissue, the water will go inside the tissue of the potato, and the potato will gain weight, and if there is very little different in the two water concentrations, there shouldn't be such a big change in weight. So therefore if there is a higher concentration of water...
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