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    Investigating Osmosis In A Potato Introduction: "Osmosis is typically defines as the flow of one constituent of a solution through a membrane while the other constituents are blocked and unable to pass through the membrane. Experimentation is necessary to determine which membranes permit selective flow, or osmosis, because not all membranes act in this way. Many membranes allow all or none of the constituents of a solution to pass through; only a few allow a selective flow. In a classic

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    Investigating Osmosis

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    Investigating Osmosis Aim --- What is the effect of changing the concentration of Sodium Chloride Solution on potato cells? Prediction ---------- I predict that the lower the concentration of Sodium Chloride solution, the higher the final mass and length will be and the higher the concentration of Sodium Chloride solution, the lower the final mass and length. [IMAGE][IMAGE]I also think that with a concentration of 0 and 1 molar, the change in mass and length will be greater

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    Investigating Osmosis

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    Investigating Osmosis Introduction Definitions - Osmosis is the movement of water molecules from where they are at a high concentration to where they are at a lower concentration through a selectively permeable membrane. A selectively permeable membrane is one which allows only molecules of a certain size through. [IMAGE] This very basic diagram shows osmosis occurring between sugar solutions and water in visking tubing and beakers. The bag expands because the water moves from the

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    Investigating Osmosis Aim To find out how osmosis affects the mass of a chip through different sugar solutions. Apparatus Petri dishes (6) Chips Ruler Thermometer 30 cm3 Solutions (6) DI, 0.2, 0.4, 0.6, 0.8, 1M Measuring Cylinder Knife Weighing scales Definition Osmosis is the movement of water molecules from a high concentration of water molecules to a lower concentration of water molecules through a semi-permeable membrane. Prelims Before doing this

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    Investigating Osmosis Introduction: Over the past term we have been studying osmosis and diffusion. It is when you put a strong solution into a weaker solution such as sugar. Osmosis is described as the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration. If the solutions on each side are equally concentrated then there will be no movement of water across the membrane. If the solution outside the cell has

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    Investigating Osmosis in Potatoe Tissue To find out how the concentration of sucrose solution affects the rate of osmosis in a potato and what happens to the length and mass of the potato. What is osmosis? Osmosis is the movement of the water molecules across a partially permeable from a region of high water concentration to a region of low water concentration. Osmosis is a special case of diffusion The biochemical process in living cells always takes place in a solution. A solution

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    Investigating Osmosis in Potato Chips Planning Introduction: the definition of osmosis is the movement of water particles from a weaker solution to a stronger solution through a partially permeable membrane. Aim of investigation: I am trying to find out how external concentration of liquid surrounding a potato chip affects it - does it increase or decrease in mass etc. Method, diagram and equipment: Diagram of experiment Equipment · 5 Boiling tubes · weighing scales

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    Investigating Osmosis in Potato Tissue Aim-We are going to investigate how 'osmosis' is effected by higher and lower concentrations of water using potato cylinders as selectively permeable membranes. A selectively permeable membrane is something only water molecules can pass through. We will cut eighteen potato cylinders to the same width and length using a scalpel and a corer on a white tile. We shall use the same potato for each cylinder. The cylinders should then be around the same

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    Investigating Osmosis in Potato Cells Planning: Aim:- To investigate the effect of different concentrations of sucrose solution, on potato cells Osmosis:- Osmosis is the passage of high water concentration through a semi-permeable membrane to a region of low water concentration, i.e. the passage of water. Explanation of osmosis For osmosis to occur there must be; semi-permeable membranes are very thin layers of material (cell membranes are semi-permeable) which allow some

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    Investigating Osmosis in Potato Tissue Aim To estimate the concentration of sucrose in potato tissue. Hypothesis ========== I believe that the potato tissue that has been in the hypotonic (0.1M sucrose) solution will be more turgid than before, while the tissue in the isotonic (0.3M sucrose) will be similar to its previous state. The tissue that has been in the hypertonic (0.5M sucrose) should be far more placid than it was before. This is because of osmosis - water diffusing

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