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Investigation to see what effect different concentrations of solution has on osmosis
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| Submitted: Sat Oct 23 2004
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INVESTIGATION TO SEE WHAT EFFECT DIFFERENT CONCENTRATIONS OF SOLUTION HAS ON OSMOSIS Osmosis is the movement of water molecules across a partially permeable membrane from a region of high water concentration to a region of low water concentration. Aim The aim of the experiment is to investigate what effect different concentrations of solution has on osmosis. Prediction I think that in a more concentrated solution of molar, the potatoe chip will lose more weight, than in a solution less concentrated. In pure water, the potatoes will swell due to water entering their cells by osmosis. However, in rich sugar solution i.e 1 Molar, the potatoe chip will shrink as water is leaving thwe cells by osmosis. Test tube 1, will be for sugar solution, test tube 2 for 0.5 Molar and test tube 3 for pure water solution i.e 0.0 Molar. Apparatus * Test tubes (x3) * Measuring Cylinder * A stop watch * Sieve * Potatoe chips * Weighing scale * Ruler...
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