More essays like this: Since a hypertonic solution has a high concentration of solvent, it causes the cells inside the potato to release water, allowing them to shrivel up and lose mass Wootton and Campbell.
The results varied as the 0.
The Effect of Osmosis on Potato Cells The Effect of Osmosis on Potato Cells 12 December Cell In this experiment I am going to investigate the effect of varying concentration of a differing glucose solution on the amount of osmotic activity, between the solution and a potato tuber of a given size.
Variables that could affect the amount of osmotic activity include factors such as: Osmosis was examined by noting the change in mass of potato slices before and after overnight immersion in varying solute concentrates. The one in the tap water solution, in contrast, will actually swell slightly, indicating that it is taking in water.
This display of random results in the second 24 hours was due to experimental error in uncontrollable variables such as changes in temperature and humidity. You can use potatoes to set up osmosis experiments for students of all ages and levels. The other 3 lost weight, caused by the hypertonic solutions with higher glucose concentrations.
The molecules will continue to diffuse until the area in which they are found reaches a state of equilibrium, meaning that the molecules are randomly distributed throughout an object, with no area having a higher or lower concentration than another.
However this was disproven as the results were plotted on a scatter graph and a prediction line was added, and displayed that once the concentration was greater than 1.
Immerse the other piece in tap water containing no added salt. Overall, we were able to apply the information we learned over the course of the past week on osmosis to conduct this experiment.
The graph indicates a negative gradient and that the approximate concentration of sucrose inside the potatoes cells was 1. Investigation — Main Experiment Strategy Depending on certain factors the osmotic activity between the potato tuber and glucose solution will either increase, decrease, or unaffect the mass of the potato, such as — whether the sugar to water ratio inside the potato and outside of the potato differ or not.
Since in the previous lab, mass was gained with every solution, this threw us for a loop for a moment. From graphing these results, a linear forecast line was drawn to find where, according to these results, the x-intercept was; allowing the concentration of sucrose of the potato cell to be found.
In this second lab, some of the potatoes gained mass at approximately the interval they were expected to, which ended up at about 0. This did occur consistently throughout Lab 1, with gains between 0.
I have also made sure that the first solution is distilled water, the second a concentration of 0. All of these factors will affect the experiment due to the nature of the potato cells, but the only variable I will be changing is the concentration of the glucose solution.
These results completely disproved the theory that the change in mass for the second 24 hours measured will mirror the pattern which the first 24 hours showed. Conclusion The purpose of this lab was to experiment on the osmosis of water on different molecular concentrations.
All of these factors will affect the experiment due to the nature of the potato cells.The Effect Of Salt And Sugar Concentration On Osmosis In Potato Cells.
Title: The effect of salt concentration on osmosis in potato. Introduction: 1. The purpose of doing this lab is to observe the effects of various solute concentrations on osmosis in a potato. 2. Water can move through the different cells due to the difference of water potentials in the cells.
If there is a higher solute concentration in the cell than outside the cell, the water will move into the cell. Osmosis is the diffusion of fluid through a semipermeable membrane from a solution with a low solute concentration to a solution with a higher solute concentration until there is an equal concentration of fluid on both sides of the membrane.
Osmosis is a process that some part of a solution with lower concentration moves to the other solution with higher concentration so that both solutions have equal concentration. Through our experiment, we are measuring the differences between the original weight and changed weight of potatoes in 5 sugar solutions with different concentration.
Osmosis, the process in which solvent molecules move from an area of lower solute concentration to an area of higher solute concentration, can easily be demonstrated with potato experiments. Potatoes are full of both water and starch, and will gain water when immersed in watery solutions.
To investigate the effect of varying concentration of a certain sugar solution on the amount of osmotic activity between the solution and two vegetables (potato and sweet potato) of the same mass. To investigate if the additional glucose in sweet potato has an effect on its mass compared to the normal potato.Download