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How Does Osmosis Affect Plant Cells?
Member rating: No Rating | Words: | Submitted: Thu Mar 24 2005
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Aim: The aim of the experiment is to find out how the concentration of the solution will affect the rate at which osmosis occurs. I will use this as a trial run to find out which concentrations and at what time is best to leave the cuttings for the greatest change in mass to occur. Apparatus: * 2 potatoes * 2 250ml beakers * 25ml of sugar * top pan balance * no. 9 core borer * knife * 375ml of distilled water * tablespoon * stopwatch Method: 1. Collect the equipment. 2. Add 125ml of water and 25ml of sugar in one beaker and 150ml of distilled water in the other. 3. Using the size 7 core borer carefully cut 10 equal 3cm strips out of the potato. 4. Using the scalpel cut the cuttings to 5 grams and 3cm stripes, making them as close to one another as possible. 5. Mix the solution with the tablespoon, then add 5 pieces of potato to each beaker,...
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