Introduction Through this lab we explore diffusion and osmosis using solutions of varying sucrose concentrations and potato samplings. The other 3 lost weight, caused by the hypertonic solutions with higher glucose concentrations.
Data Discussion In Lab 1, where bags of different solute concentrations were tested, the results showed that higher solute concentrations gained more mass.
Various Sucrose Concentrations Essay Sample Osmosis is the transport of water across a selectively permeable membrane from a region of a higher water chemical potential to a region of lower water chemical potential. After recovering, we gathered that the 3 solutions that caused the mass loss were the 3 highest concentrations of solute.
Hyper Physics — Georgia State University. Both processes do not use energy, but rather are caused by the spontaneous movement of particles. The materials used for the experiment were: The experiment overall showed how concentration gradient affected the rate of osmosis very well.
In Lab 1, diffusion was exhibited by placing solutions of various glucose concentrations into dialysis tubing and measuring the mass of the solutions after allowing the glucose particles to spread without energy put into the system.
The bags were then placed into beakers at the same time and the timer was started for ten minutes. We worked in a lab space with a scale, 6 beakers, and a laptop to record data with. 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.
This lab gave us the opportunity to explore osmosis and see how different types of cells are affected by various solute concentrations. Creating artificial cells that contained different concentrations of sucrose tested this hypothesis.
The same can be said for osmosis, until the levels on either side of the membrane are equal. At the beginning of the experiment, each bag of water and glucose weighed approximately the same amount between This led to Lab 2, where potatoes were placed into each of the six solutions with different glucose concentrations.
After each ten-minute increment was done, the bags were taken out, dried off with a paper towel and the weights of the bag were then measured for a total of 90 minutes.
Tzahi To demonstrate osmosis lab, artificial cells were made with various sucrose concentrations and were placed into beakers of different sucrose solutions.
Diffusion is the process by which molecules intermingle in random motion as a result of their kinetic energy. Overall the results showed that the higher percentage of concentration gradient of sucrose, the more the artificial cells absorbed.Investigating the Effects of Different Concentrations of Sucrose Solution on Potato Cells Aim: to investigate the different effects of various concentrations of sucrose solution on potato cells.
To further explore the process of diffusion and osmosis, we conducted an experiment that would demonstrate these processes and also investigate the question of “do different concentrations of sucrose solutions have an effect on the final weight for the potato tubers?”.
Sucrose concentration factors for forward osmosis at two different draw solution concentrations obtained in this investigation compared to published data with reverse osmosis. The initial sucrose concentration in the FO experiments was M (10 °Brix) and the temperature was fixed at 30 °C.
The effect of osmosis in potato cells with different concentrations of sucrose solution Aim: To test the effect of different concentrations of sucrose solution to osmosis in a potato cells by putting potato pieces in test tubes of water containing different concentrations of sucrose solution.
Abstract: Osmosis is the transport of water across a selectively permeable membrane from a region of a higher water chemical potential to a region of lower water chemical potential.
(Tzahi ) To demonstrate osmosis lab, artificial cells were made with various sucrose concentrations and were placed into beakers of different sucrose solutions. Sucrose solution will be used in my experiment as this will help me to figure out if osmosis is occurring.
The aim of my investigation is to see how the rate of osmosis is affected by the concentration of the sucrose solution so I will be using different concentration of sucrose solution.Download