Investigate the effect of varying solution concentration on osmosis in a potato chip prediction a definition of osmosis is: 'the movement of water molecules from an area of high water concentration to a low water concentration across a semi-permeable membrane' (oxforddictionary 2000. If concentration of solute and size of apple is kept at a constant then change in the rate of osmosis will be affected by the independent variable bigger molecules will exert more pressure on the water molecules causing the water molecules to move through the semi permeable membrane faster, and as result increase the rate of osmosis. The prediction that the rate of osmosis had a positive correlation with the concentration of glucose was supported because as seen in figure 1 water molecules continue to move in and out but there is no net diffusion of water the rate of osmosis would be the lowest there is a very low level of osmosis (1 and the dependent variable was the.
Rate of diffusion concentration inside and outside the cell the bigger the difference in concentration between two regions, the faster the rate of describe osmosis and its effect on red blood cell in distilled water, concentrated salt solution and in blood plasma (9. Furthermore, the greater the concentration gradient between the beaker and the cell, the greater the rate of osmosis this is called water potential tonicity and water potential. Osmosis is a selective diffusion process driven by the internal energy of the solvent molecules it is convenient to express the available energy per unit volume in terms of osmotic pressure it is customary to express this tendency toward solvent transport in pressure units relative to the pure solvent. Osmosis is the diffusion of water across a partially permeable membrane from a dilute solution (high concentration of water) to a concentrated solution (low concentration of water) a partially permeable membrane allows water through, but won't let the larger molecules dissolved in water pass through.
A recovery rate of 80 percent would increase the salt concentration factor to five (5) and a recovery of 90 percent would result in a concentration factor of 10 a seemingly small increase in system recovery from 75 to 80 percent can have a significant impact on the overall level of salts in the concentrate stream. Osmosis: how does the concentration of salt in water affect the rate of osmosis introduction in both plants and animals, each cell is surrounded by a membrane this membrane forms a selective barrier between the cell and its environment (see figure l31—the membrane is the wall in the middle of. Is the rate of osmosis directly proportional to the solute concentration question rate of osmosis the greater the difference is in concentration between two substances on either side of a selectively permeable membrane, the greater the rate of osmosis will be.
An investigation of factors affecting the rate of osmosis essay - an investigation of factors affecting the rate of osmosis introduction osmosis is the movement of water molecules across a semi permeable membrane from a region of high water concentration to a region of low water concentration. Osmosis is the movement of a solvent across a semipermeable membrane toward a higher concentration of solute (lower concentration of solvent) in biological systems, the solvent is typically water, but osmosis can occur in other liquids, supercritical liquids, and even gases. For my biology investigation i have concluded that the higher the concentration difference, or the higher the concentration gradient, the higher the rate of osmosis however, i need to use scientific ideas relating to molecules to explain why this is but i can't think of an explanation.
Diffusion, osmosis, and tonicity simple diffusion particles in solution are generally free to move concentration on diffusion and osmosis, however, it is important to know the actual number of solute particles present in a given volume of solution using solute mass as a. In addition, h igher concentration gradient will increase rate of diffusion including osmosis to determine concentration of overall solute in potato cells, wait until the potato cylinders reach equilibrium and measure the change in weight. 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. Yes the rate of osmosis is determined by several factors, including heat, molecule size, and concentration gradient the concentration gradient is essentially the difference between the.
The effect of concentration gradient on osmosis abstract: osmosis is the passive movement of water from an area of higher concentration to an area of lower concentration, usually across a membrane (thorpe 2013) tonicity is the ability of a solution surrounding a cell to gain or lose water (reece 2011. Many factors affect the rate of osmosis including size ofparticle and temperature however the factor investigated today isconcentration of sucroseas the concentration of sucrose increases the difference in mass ofpotato will increase since sucrose is a hypertonic solution whichmeans that it has a higher amount of particles dissolved in. Osmosis is the net movement of molecules through a semi-permeable  membrane from an area of low solute concentration to an area with a high solute concentration in this investigation, we are testing how concentration effects the rate of osmosis hypothesis.