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GCSE Biology 'Investigating the effect of soaking raw potato chips in various salt solutions' Aim In my Experiment I hope to discover the possible concentrations of potato cell sap using osmosis. Osmosis is the passage of water molecules from a weak solution into a stronger solution through a partially permeable membrane. We hope to achieve this by doing four experiments using distilled water in one test tube and different concentrations of salt water in the other test tubes. Once done, we will measure the change in mass. Prediction I think that the potato that is put in the test tube with water in will gain in mass. I think that the potato put into the salt solution will loose in mass. The higher the concentration of salt the, the more the potato will decrease in mass. I think this because if two solutions of concentrations of a solute (e.g. salt) in a...

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