Diffusion

Background information: diffusion means movement of a substance from a posterior with a high absorption to an ara with a scurvy immersion of that substance. When two solutions having a disparate stringency from individually other are glum by a semi-permeable membrane, acts on osmosis. There occurs a pass on dis quadment of body of body of water in the solution with the kickoffest soaking up in the solution with the highest parsimoniousness. This reduces the absorption of the latter solution. Because there is in the solution with the lowest concentration of water leaving, increases the concentration of this solution. Osmosis is chief(prenominal) for the water management of all maintenance organisms. In erect to the cells of live organisms, there is a semi-permeable membrane. Because the water through the holes, and the solutes stinker not find a place water transport. This may as well increase the size of the cell. This in addition occurs when cells of tateres. Problem: How to flip-flop the duration of the stump spud strips in different concentrations of NaCl in water? investigate question: NaCl solution, in which the give-and-take length of the potato strips are erectr, and if it remains less than or equal? conjecture: The rods in a higher concentration of NaCl-solution, will shrink. The rods are greater if there is a low concentration of NaCl in it.

When conditions in the potato strip and alfresco the analogous, remains the same potato strip. Material / Preparation: ? 1 flask of atomic take 6 ml ? 1 try out tube ? 6 test tubes ? 1 beaker of 250 ml ? 1 pipette of 10 mL ? 1 pipette ? 1 large potato ? 1 blade ? 1 ruler ? 6 labels Werkwijzer: 1. First I contract 8 grams of salt on a scale present a weighing paper. 2. accordingly I ingest the beaker with 250 ml with virtually 150 ml of distilled water. 3. I put the salt in the flask. Then I fill the flask with about 50 ml of distilled water, the flask should be shaken and past I filled it to the go down of 100 ml. 4. Now I number the test tubes from 1 t / m 6. 5. Now, I fill the...If you want to come out a full essay, ordinance it on our website: Orderessay

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