The effects of sugar concentration on osmosis in potato cells

This is a good result because the average of 1m is almost double the average of 0. Muller, The main objective of the lab was to demonstrate the movement of glucose through water. Each beaker held a different solution with varying amounts of glucose in it, and each solution surrounded a 1-inch piece of potato inside the beaker.

Osmosis in potato cells Essay Sample

This error was improved as cutting the potatoes manually with a knife was replace with cutting the potatoes with a cork borer to ensure all cores had the same dimensions. Osmosis is the movement of water molecules H20 from a region in which they are highly concentrated to a region in which they are less concentrated.

At the beginning of the experiment, each bag of water and glucose weighed approximately the same amount between Conclusion The potato tuber in the distilled water was the only one to gain in mass.

We were able to experiment and discover that the potato slices immersed in the lower glucose solutions, yielded to a higher mass than the ones immersed in the higher glucose solution due to the particles moving from an area of higher concentration to a lower one.

The purpose of this experiment is to demonstrate how living cells rely on osmosis, the diffusion of water.

For Lab 2, the potato in a 1. Place each potato slice into each of the solutions, and leave the slices in the solutions for a half hour. This ensured that each potatoes surface area was exposed to the same amount of sucrose solution to assure that the most accurate results will be reached.

Introduction Through this lab we explore diffusion and osmosis using solutions of varying sucrose concentrations and potato samplings. This will ensure that it is a fair test throughout. Some of these results could have been inaccurate due to the large variety of potato masses at the beginning of the experiment.

The average mass change percentage was Science Experiments on the Osmosis of a Potato By Tricia Lobo; Updated April 26, 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.

Prediction My prediction is that when the potato tubers are put into the distilled water, it will increase in mass; I believe this because there are more water molecules in the water than there is in the potato cells, the water molecules will move by osmosis into the potato cells through the partially permeable membrane to create equilibrium.

Conclusion The purpose of this lab was to experiment on the osmosis of water on different molecular concentrations. 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.

Science Experiments on the Osmosis of a Potato

When the potato tubers are put into a high concentrated glucose solution there are more water molecules in the potato cells then in the solution; therefore the water molecules move by osmosis from the potato into the highly concentrated solution. Make one salt water solution, one sugar water solution, and for the third solution, simply use tap water.

They show that when a potato is submerged in a solution of either 2. Ask them to comment on why a group gained mass, lost mass or retained the same mass. This shows that the concentration of sucrose inside the potato cell is 1.

This lab gave us the opportunity to explore osmosis and see how different types of cells are affected by various solute concentrations. From my preliminary test I have learnt that the three solutions were not enough, so I decided to have 6 solutions instead.

Leave both in their respective solutions for half an hour, then remove the potato halves from their solutions and observe their differences. The others decreased in mass. I needed a medium sized cork borer to allow sufficient osmotic activity to take place and for the changes in weight and length to be measured accurately.

Osmosis and its Effects on Potatoes in Glucose Solutions

We hypothesized that in both labs the solutions with a larger glucose concentration would gain more mass due to the hypotonic nature of the solutions. A potato tuber will be left in each solution for a period of 24 hours, I repeated each concentration twice times to try and get consistent results for each one.

In this second lab, some of the potatoes gained mass at approximately the interval they were expected to, which ended up at about 0.Osmosis in Plants Outline: To investigate the effect of varying concentration of a certain sugar solution on the amount of osmotic activity between the solution and a potato chip of a given size.

Definition - Osmosis: Movement of a solvent (liquid) through a semi-permeable membrane separating solutions of different concentrations.

Sep 11,  · For Lab 2, the potato in a M concentration would gain more mass through osmosis than the potatoes in solutions with lower glucose concentrations. Methods This study was conducted in Mrs. Wootton’s room at New Tech High @ Coppell, on September 4th and 8th, 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.

- Investigating Osmosis in Potato Cells Planning: Aim: To investigate the effect of different concentrations of sucrose solution, on potato cells Osmosis: Osmosis is the passage of high water concentration through a semi-permeable membrane to a region of low water concentration, i.e.

the passage of water. The experiment applies the principal of osmosis as the water moves from an area of low sugar concentration to an area of high sugar concentration. Whether the water moves from the outside into the potato cells or diffuses through the potatoes semi permeable membrane to the outer area depends on the concentration of the sucrose dissolved.

- Investigating The Effects Of Concentration On Osmosis Preliminary Experiment: The Effects Of Osmosis On Potato Chips ===== Method: We cut three potato chips to an equal length and then we set up 3 beakers, one containing a sugar solution, one containing water and one containing a salt solution.

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The effects of sugar concentration on osmosis in potato cells
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