Experiment to find out how different concentrations of sugar effect osmosis in potato cells

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James MacDonald

Experiment to find out how different concentrations of

sugar effect osmosis in potato cells

Aim: Devise an Experiment to determine the water potential of potato cells.

Apparatus:

                Cork Borer

        Test tubes

        Potato

        Pan Balance

        Ruler

        Glucose Solution

        Bungs

Diagram:

Bung

Test tube

Potato

Glucose Solution

Variables:

        Temperature

        Concentration

Method: First I will create 18 potato tubers using the cork borer and the potato.

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There will be 6 concentrations and each concentration will be done three times to

ensure the accuracy of the results. Then I will measure them and make them all 3cm

long and weigh 3.8g. Then I will  put them all in test tubes with a glucose solution with

six different concentrations of glucose. The bungs will be placed in the test tube and

the test tubes will be left for 24 hours. I will be wearing safety goggles when doing the

experiment and make sure not to break any glass.  The only variable will be ...

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