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To see how the weight of potato chips changes when placed in sugar solutions of different concentrations.
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| Submitted: Fri Oct 24 2003
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Osmosis in potatoes Aim: To see how the weight of potato chips changes when placed in sugar solutions of different concentrations. Prediction: If you place the potato chip in pure water it will gain weight and go turgid. Scientific reasons for prediction: When a potato chip is placed in distilled water the water molecules around the potato are more concentrated than those inside the potato chip. So the water molecules around the chip will diffuse through the permeable cell membrane into the chip causing the chip cells to gain weight. In all this will make the chip expand and become more turgid. When placed in a sucrose solution, the chip will lose weight because the sucrose molecules are too big to fit through the permeable cell membrane. The diagram above shows the experiment involving the potato chip and water. As you can see, the water molecules are diffusing through the cell membrane into...
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