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Compare the change of mass of potatoes when they are in a Starch and water solution.
Member rating: No Rating | Words: | Submitted: Mon Nov 08 2004
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Aim The aim of this experiment is to compare the change of mass of potatoes when they are in a Starch and water solution. The reason the mass would changes is due to osmosis. Introduction Osmosis is the process of water passing from a region of high concentration of water, through a semi-permeable membrane to a region of low water concentration. Osmosis occurs when there is more water on one side of the cell than the other. In the example to the right the small blue particles represent water. There are more of the small blue particles on the left-hand side so the number of water molecules on each side would even out until the water cells are in equilibrium. The experiment we are doing is to see how much of the water has diffused and how much mass the potato lost or gained. Variables I chose to investigate the mass of potato and volume...
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