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An experiment to investigate how the effect of varying concentrations of salt solutions play on the movement of water in a potato.
Member rating: No Rating | Words: | Submitted: Mon Feb 09 2004
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PRELIMINARY EXPERIMENT AN EXPERIMENT TO INVESTIGATE HOW THE EFFECT OF VARYING CONCENTRATIONS OF SALT SOLUTIONS PLAY ON THE MOVEMENT OF WATER IN A POTATO. AIM The aim of this experiment is to try and find out how different concentrations of salt solutions affect the osmotic activity in a potato tissue. Thus we will be able to find out if the mass of the potato has increased or decreased in the different concentrations of salt solution. APPARATUS> A Single Fresh Potato> McCarthy Bottles = x 5> Corks = x 5> Water = 20cm3 x 5> 2 Molar Salt Solution = 150cm3> Test Tube Rack to hold 5 test tubes> Pipette> Scalpel - To cut the potato tubes into cylinders> Weight Measuring Scales> Ruler - To measure the potato cylinders accurately to 2cm long.> Cork Borer> Cutting Board - Where the potato can be placed and cut safely> Marker Pen will be used to...
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