Diffusion Osmosis Lab

Diffusion Osmosis Lab (Title) Questions: 1. What size of molecules (monosaccharide vs polysaccharide) can disperse through a semi-permeable membrane? 2. How entrust the concentration of saccharose in spite of appearance the dialysis tubing affect the rate that ludicrous diffuses through a semi-permeable membrane? 3. How give the concentration of sucrose in urine supply affect the add together of water that diffuses into or verboten of the white white tater vine cells and thereby change the troop of the potato cells? Hypotheses: 1. If the dissolvent indoors the dialysis tubing is hypertonic to the water in the beaker, then the glucose will diffuse out of the bag, and the water will diffuse into the bag, that the starch will remain in the bag. This will hap because the water and glucose argon small tolerable to diffuse out of the pores in the dialysis bag, but the starch molecules are too biggish to fit through 2. If a solution is very hypertonic, then the almost amount of water will diffuse across the semi-permeable membrane into the dialysis tubing. This occurs because the higher concentration of solute, the to a greater extent water it takes to reach equilibrium, thus, the sudden rate of osmosis. 3. If we place the potato in a sucrose solution with a analogous solute concentration as a potato, then the least amount of water will diffuse into or out of the potato cells. This occurs because this scenario will be initially closest to an isotonic solution, allowing us to determine the solute concentration of a potato.

Materials: * K nife/ Cork borer * Seven 30 cm pieces o! f Dialysis tubing * long dozen 250 mL Beakers * 15% Glucose Solution * Glucose Test Strips * 1% stiffen Solution * Distilled water * Lugols solution * 25 mL of: * .2 M sucrose * .4 M sucrose * .6 M sucrose * .8 M sucrose * 1 M sucrose * idea Towels * Clock * Potatoes * Plastic Wrap * 100 mL of: * .2 M sucrose * .4 M sucrose * .6 M sucrose * .8...If you requirement to get a full essay, order it on our website: OrderCustomPaper.com

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