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... of molecules in the tubing after making it heavier. In test tube 2 The water molecules in the Visking tubing were of high concentration and therefore diffused through the tubing into the sugar solution until the concentrations were equal. Therefore there were less molecules in the Visking tubing after making it lighter. It is on these results that i make a prediction for the next experiment on osmosis. When we leave the potato in the 2M solution I predict that the chip will lose weight because the water molecules in the potato cells will be at a higher concentration than in the sugar solution therefore they will diffuse to the lower concentration in the sugar solution making there a smaller amount of water molecules in the potato and making it lighter. I also predict that as the solutions become more diluted the chips will lose less weight until they do ...