Osmosis In Potato Cells Investigation

OSMOSIS IN POTATO CELLS INVESTIGATION Introduction Osmosis is the passage of piddle from a kingdom of higher water system authority to a region of cast down water say-so through a partially porous membrane. Osmosis only involves the trend of water molecules. The diagram depicts water molecules fan out from the left(a) hand positioning which has the higher water potentiality, to the rightfield hand side which has the baseer water potential. Only the water molecules can pass across the partially permeable membrane bit 1 drive The aim of this investigation is to record the effect of varying dilutions of nuclear number 11 chloride resolvent on sections of potatoes and ascertaining the amount of osmotic activity amid the two. The independent variable is varying the range of tautnesss by diluting the 1M solution of sodium chloride. The dependant variable is measuring the vision of the potato. The varia bles that were unplowed constant were to use the same potato, cutting make up pitch and length of potato sections and use the same electronic scales. Prediction It was predicted that when change magnitude the concentration of sodium chloride, the people of the potato should decrease. This is because the potato has a higher water potential than the solution.

weewee molecules move from a region of high concentration to low concentration, hence the water moves out of the potato cubicles and hence it will decrease in mass. In 0 bomber or very low common salt concentrations whence the opposite shoul d happen. The solution has higher water po! tential compared with the potato, therefore the water will move into the potato cells, increasing its mass. Water molecules will continue to diffuse into the salt solution until it reaches equal concentrations on either side of the membrane, attain a utter of equilibrium. This solution is called isotonic (figure 2). A cell placed in an isotonic solution will incomplete gain nor ache water. This should be seen in the...If you want to confirm a plenteous essay, order it on our website: OrderCustomPaper.com

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