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Free Solute Concentration Essays and Papers

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    The Solute Concentration of a Potato To find out what the solute concentration of a potato is, this shall be done by finding out the effect of Osmosis on a potato. Prediction: That if there is more water outside the potato than inside, the potato will increase in size. If however there is less water outside the potato than within, then I shall expect the potato to shrink in size. I think this because of the laws of Osmosis. Osmosis is the diffusion of water through a partially permeable

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    The Effect of Solute Concentration on the Rate of Osmosis Aim: To test and observe how the concentration gradient between a potato and water & sugar solution will affect the rate of osmosis. Introduction: Osmosis is defined as, diffusion, or net movement, of free water molecules from high to low concentration through a semi-permeable membrane. When a substance, such as sugar (which we will be using in the experiment we are about to analyse), dissolves in water, it attracts free

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    The Effect of Solute Concentration on Osmosis in Potatoes AIM: to find out the effect of solute concentration on osmosis in potatoes. This is to find the equivalent osmotic potential. [IMAGE] PREDICTION: Osmosis is the movement of water particles from a high concentration to a low concentration through a partially permeable membrane. Osmosis happens when a partially permeable membrane allows small water particles to pass in or out towards a low water concentration. To reach an equivalent

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    The Effect of Changing Solute Concentration on Osmosis in Potato Tissue Aim The aim of the investigation is to find out the effect of changing solute concentration on osmosis in potato tissue. Prediction I predict that if the solute solution is more concentrated than the potato, the potato chip with the more water potential will lose water, so if the potato chip is placed into a dilute solute solution, the potato will gain water. Here's the example- if the original cells is 5g then

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    Investigate the Cell Sap Concentration of Solute in a Potato Chip using Osmosis Aim The aim of the experiment is to investigate the cell sap concentration of solute in a potato chip using osmosis and produce a figure informed by the investigation as to what this is. Background Information A factor that effects how much water moves into a cell is the solute concentration within it. Water moves in and out of cells by diffusion, this diffusion is called osmosis. Osmosis is the diffusion of water

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    The Movement of Water and Solutes in Plants During the process of osmosis, water molecules move from an area that is hypotonic to an area that is hypertonic. A hypotonic area is one in which has less solute and a hypertonic area is one which has more solute. Plant cells, such as the ones in the epidermis and cortex regions of the roots of the plant, all have living contents, which are enclosed by a cell surface membrane and a thick, quite inelastic cellulose cell wall. The cell wall

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    through a semi permeable membrane that does not allow dissolved solids (solutes) to pass. Osmosis refers only to transfer of solvent; transfer of solute is called dialysis . In either case the direction of transfer is from the area of higher concentration of the material transferred to the area of lower concentration. This spontaneous migration of a material from a region of higher concentration to a region of lower concentration is called diffusion. Osmosis will occur if a vessel is separated into

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    The addition of solutes decreases water potential making it more negative. Therefore it is less likely to move from one place to another. Pure water has a water potential of zero, by adding solutes you make the water potential more negative. In plants water potential depend on two things, Osmotic potential (due to presence or absence of solutes) and pressure potential (due to turgor pressure). To work out water potential you use this equation Water potential = solute potential + pressure

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    membrane is regulated. Diffusion is the movement of molecules form one area of higher concentration to an area of lower concentration. Concentration gradient causes the molecules to move from higher concentration to a lower concentration. The side of the membrane that has the higher concentration is said to have the concentration gradient. It drives diffusion because substances always move down their concentration gradient. The pressure gradient also plays a role in diffusion. Where this is a pressure

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    osmosis. The main factors which affect osmosis are: Pressure Temperature Surface area Solute Concentration Plant Tissue We will be investigating solute concentration as this is the easiest factor to measure and will give us the most accurate results. We will mainly investigate the different rate of osmosis when potato cells are placed in solution with different solute concentrations. We are going to use potatoes as they have homologues cells (all their cells are the same).

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