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Osmosis in potato cells.
Member rating: No Rating | Words: | Submitted: Fri Aug 18 2006
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Roxana Jahanshahi Osmosis in potato cells. I will be using potatoes to find out the rate of osmosis in plant cells as the concentrations in a solution increase. Preliminary Test Apparatus:> Ruler> Scalpel> 1 Potato> 3 Test Tubes> 10cm³ Measuring Cylinder> Test Tube rack> Distilled Water> Weak sodium chloride solution (8.5%)> Strong sodium chloride solution (17%) Method:> Cut 3 chips of potato to the exact same size> Using a ruler measure their length and record it on a table.> Fill 3/4 of the test tubes ==> One with Distilled Water ==> One with Weak Sodium Chloride Solution ==> One with Strong Sodium Chloride Solution> Place a potato chip into each test tube and record it onto your table and leave them there for 30minutes> Remove the chips from the test tube after 30 minutes have passed> In order to remove any excess liquid place the potato chips on a paper towel> Measure each chip and re-measure the...
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