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Biology Investigation Title 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. I also think that with a concentration of 0 and 1 molar, the change in mass and length will be greater than 0.125, 0.25 and 0.5 molar which I think will roughly stay the same. Osmosis is just a special case of diffusion. It is the net movement of water molecules across a semi-permeable membrane from a region of high water concentration to a region of low water concentration. In the diagram the water molecules diffuse into the concentrated sugar solution because the water molecules are small enough to pass through the membrane. The larger the sugar molecules...

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