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Osmosis Investigation - How Does Salt Solution Concentration Affect The Mass Of Potatoes?
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Alex Rock 10A Biology Osmosis Investigation How Does Salt Solution Concentration Affect The Mass Of Potatoes? Introduction In my investigation to find out how salt solution concentration affect the mass of potatoes, I will investigate how much the mass of a potato changes if I leave it in a beaker of water with a specified salt concentration for half an hour. I will change the salt concentration after each experiment. Background Knowledge Osmosis is the passage of water molecules from a weaker solution to a stronger solution through a partially permeable membrane. A partially permeable membrane only allows small molecules to pass through, so the larger molecules remain in the solution they originated in. When water enters a plant cell it swells up. The water pushes against the cell wall and the cell eventually contains all that it can hold. The strong cells wall prevents bursting. The cell is turgid. If plant cells lose water...
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