Wednesday, January 22, 2014

Osmosis and Diffusion in Potato Cells

The Effects of NaCl and DI water system on Potato Cells Abstract: The check over we conducted gave the result that when a white tater vine has contact with a flavour ascendent, the cells will start to shrink. We did this by cutting up slices of potato and weighed them and recorded their initial weights. We used deionized water and terzetto several(predicate) concentrations of sodium chloride solutions; 10% NaCl, 15% NaCl, and 20% NaCl. We than placed severally potato slice in try out tubes with their designated solutions. We let them surcharge for 20 minutes than we removed them from the test tubes. Next we careful their new weights and recorded them. They were; 10% NaCl decrease by 4%, 15% NaCl reduced by 8%, and 20% NaCl decreased by 12.5%.The results showed us the conclusion that the potatoes were hypertonic to the deionized water and were hypotonic to the sodium chloride solutions. Introduction: The objective of this prove is to detect scattering and osmo sis in potato cells in 3 solutions. Diffusion is the spontaneous spread of molecules from an area of high concentration to an area of get along 1 concentration. Osmosis is a type of diffusion involving water. The results will every be hypertonic or hypotonic. Hypertonic means that the solution is much than crisp than water. Hypotonic means less salute and more water. For this lab, we tidy sum apply these principles to plant cells. The plant cells prepare a semi permeable membrane so they can palpate osmosis and diffusion as discussed earlier. When it comes to the potato cells, added with NaCl ( saltiness) it will consume a reaction changing the form of the cells. The hypothesis of this experiment goes as follows, If we place potato cells in a salt solution, therefore the cells will shrink. They will shrink because when the salt is added the water in the potato, where there is high concentration, will move to the international of the potato where there is low concentrati on. Methods: When we started the experimen! t we took 6 test tubes and fill up half with NaCl and the...If you want to get a full essay, tell apart it on our website: OrderCustomPaper.com

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