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I aim to find out whether osmosis happens in potatoes, and how different water concentrations affect the rate at which it happens.
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Biology Coursework - Osmosis in Potatoes Planning Aim I aim to find out whether osmosis happens in potatoes, and how different water concentrations affect the rate at which it happens. Prediction I predict that the weight of potato will steadily decrease as the salt water concentration increases, because less water will pass through the semi-permeable membrane. I think this because osmosis will happen more quickly as the level of concentration is at a greater difference. Plan In a high concentration of water the amount of solute (e.g. Salt) is low. This could be called a weak or dilute solution. In a low concentration of water the amount of solute is high. This could be called a strong or concentrated solution. When two such solutions are divided by a semi-permeable membrane, the water will move from the area of high concentration to the area of low concentration, until both sides are equal (have reached equilibrium). Or in the words...
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