Osmosis And Diffusion Using 6 Potato Cylinders

1342 Words Jan 20th, 2016 6 Pages
In this experiment, we experienced the lab practical about osmosis and diffusion using 6 potato cylinders that have been immersed in different concentration sucrose (0.0M, 0.2M, 0.4M, 0.6M, 0.8M and 1.0M). After the potato cylinders have been soaked in sucrose solution, I noticed the change in potato cylinder’s weight from the initial weight to the final weight which is the lower concentration, the higher the potato cylinder weigh. My hypertonic shows in the potato cylinder in 0.0M solution that means if the potato cells have a net movement of water they will increase in weight. The result show that the potato cores in higher mole solution lose weight but the potato cores in low mole solution gain weight. However, there is an error in my …show more content…
It follows from osmosis, a physical property of the solutions of different concentrations and separate between them by a membrane semi-permeable called the osmotic pressure. To emphasise the importance, the concentrated solution should prevent the passage of the solvent to this solution. The osmotic pressure is independent of the molecular nature of the solute (solute = dissolved substance). Oncotic pressure, meanwhile, expresses the degree of ease with which the proteins that are put into solution in a medium attract water. It is also of osmotic pressure, but here the elements dissolved in water are proteins. Osmosis and diffusion are not involved in cellular mechanisms and are therefore not energy.
The molecules move in space in a disordered way. They normally move in a straight line until they bounce on other molecules. Diffusion continues until there is a concentration of most important molecule in a place rather to another in a space provided. For example, if you open a jar containing a gas that has a strong smell, this gas spread inside the room where it is located. Initially, only the people themselves open the jar can smell. But as the molecules continue their diffuse movement, they are filled until fully dispersed. As where there is less gas in a corner of the room, the molecules meet less molecules and bounce less often against the other. This allows the gas to spread of a place

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