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Osmosis Completion Practical

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osmosis practical completed in 2016 for stage 2 biology SACE. discusses SA:V ratio

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18 Pages Essays / Projects 1-2 Years old
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Osmosis Completion Practical
Topics this document covers:
Chemistry Diffusion Cell biology Membrane technology Water technology Cubes Osmosis Potato Sodium chloride Tonicity Solution Turgor pressure Leena Hilal
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Topics this document covers:
Chemistry Diffusion Cell biology Membrane technology Water technology Cubes Osmosis Potato Sodium chloride Tonicity Solution Turgor pressure Leena Hilal
Sample Text:
Various sized potato cubes measured 1cm3, 1.5cm3 and 2cm3 were placed into beakers containing sodium chloride solution with a solute concentration of 10%. This was carried out to test the hypothesis stating: • As the surface area to volume ratio of the potato cube increases, so will the efficiency of osmosis, thus, increasing the percentage loss of water in each potato cube. To determine the rate of osmosis in these diverse sized cubes, the percentage mass/loss in each cube was noted to examine the rate in which water moved in or out of the potato cells by osmosis. The results collected implied that the potato cubes’ mass loss was due to the movement of water moving from an area of high solvent concentration (inside the potato cube) to an area of low solvent concentration (inside the sodium ch...
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