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Osmosis in potatoes Aim My main aim in this experiment is to find the isotonic level of water in a potato cell cytoplasm. We have to work out the salt concentration in the cytoplasm in terms of molarity. To find this I will test pieces of potato in different molar concentrations. From 1 molar solution to pure water. If there is no change in weight then I have found the isotonic solution, explain Apparatus · Knife - to cut the potato · 50cm3 and 25 cm3 Measuring cylinder - to measure the solutions · Water - part of the experiment Potatoes - part of the experiment · Tissue paper - to dry the potatoes after the osmosis takes place · Scales - to weigh the potatoes · Apple borer - to cut out potato cylinders Variables The variables are the things that make a test fair. The test must be fair because if it isn't then it could affect the results. *...

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