# Osmosis At1 Essay

863 words - 3 pages

Conclusion: What I have found out is that the higher the concentration of sucrose the higher up was the potato chip in the test tube. The water inside the potato is moving from a area of high water concentration to an area of low concentration so in the sugar concentrated solutions the potato chip should decrease in mass my results showed the opposite of both my prediction and the source where I adapted information from. {CGP Books} said my prediction was correct thus proving something has gone wrong during the experiment maybe I did not leave it long enough for the osmosis to occur. In other words the water inside the potato is leaving it, as it is passing from a weak concentration to a strong concentration. Making it smaller and lighter. Where as with water as the solution, the potato piece stayed the same but theoretically it should have gained weight therefore became turgid. In the potato chip there is the point at which the potato cell can reach its highest point of turgidity. The trends or patterns that I have found out are that with each of the experiment the line of the graph is up and down then straight. I think that the results of the experiment disagree with my prediction. I think that they disagree with my prediction as when the concentration of the sucrose solution gets higher the more limp the potato piece becomes, we know this is correct however my results didn't seem to show it. When it was 0.8% it should have the highest weight loss but my results show that it increased by 1gram. Also when the potato was put into the distilled water, we had found that it had taken on the least weight: completely defying with my prediction. The highest average mass gain was for the 0.6% sucrose solution. The highest average mass loss was for the distilled water and 0.4% sucrose solution. There was zero weight loss for the distilled water and the 0.4% sucrose solution, this means that no water moved into the cell to increase its mass or no water moved out of the cell to decrease its mass. Osmosis causes water to move in and out of the potato by diffusion. The following is a diagram to show how this happens: This process normally happens in nature when the root hairs of a root take in water by osmosis it happens when water goes into the soils the root hairs cover a large surface area and when the water goes on to the root hairs it...

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