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OSMOSIS IN A PLANT CELL DAVID WILLEY PLANNING Osmosis in a plant cell Aim- To discover whether the concentration gradient affects the rate of osmosis in a potato cell. Basic outline plan- 19 potato cores will be cut to the same size, and weighed. Three will be submerged in water, three in 0.2 molar sugar, three in 0.4 molar, three in 0.6 molar, three in 0.8 molar, and three in 1.0 molar, all of which will have the same volume. One will be placed in cling film and not submerged in any thing this will be the control. They will then all be removed at the same time and weighed. To make sure my experiment is reliable I will do the experiment three times. Apparatus- 6 Petri dishes Potato 4+5 mm potato borer 0.2, 0.4, 0.6, 08, 1.0 molar sugar and water Knife Ruler Cutting tile Thermometer Cling film Stopwatch 25cm3 Measuring cylinder Prediction- I predict that the weight of the potato cores will increase when they are submerged...

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