Aldon Corporation

Osmosis and Diffusion Lab Activity

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This lab allows you to learn about two forms of passive transport: diffusion and osmosis. You will compare and contrast similarities and differences in the processes of diffusion and osmosis. Use a colorimetric test to demonstrate the movement of a solute across a semi-permeable membrane. Set up an environment likely to facilitate osmosis and gather data to determine whether or not osmosis may have occurred. Kit contains enough materials for 15 groups. Teachers Manual and Student Study Guide copymasters are included. Kit Includes: 30 pc. Dialysis tubing 1 cpsl Starch (to make 100ml of 1.0% solution) 1 btl. Sucrose (to make 100ml of 0.5M solution) 1 btl. Iodine/potassium iodide solution, 15ml 30 Plastic cups measurements: 9.75 L x 6.25 W x 4 H weight: 1.25 lbs

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