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An Investigation to Find out the Solute Concentration of Potato Cells by Osmosis.
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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An Investigation to Find out the Solute Concentration of Potato Cells by Osmosis. Background information Here is a definition of osmosis: * Osmosis is the net flow of water through a selectively permeable membrane. In this investigation we will be watching osmosis at work on potato cells and different concentrations of sucrose. Plan Variables Available to Test * Temperature - Temperature could be a main factor as it could speed up the movement of the water molecules, and therefore speed up osmosis. * Size of Potato - The size of the potato could effect the amount of water molecules that are able to diffuse through into the surrounding sucrose solution. * Sucrose Concentration - The sucrose concentration, if high would allow more water molecules through and, if low wouldn't let many molecules through at all. Osmosis only works if the surrounding sucrose solution concentration is higher than the concentration the molecules start in. We chose to use...
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