Aim The aim is to find the concentration (mole/dm3 (M)) of solute in a spud cell by using the process of osmosis and contrastive concentrations of saccharose source. Background information Osmosis is diffusion of piss across a part semi pervious membrane. It moves from a re proceeding with less solute concentration (high wet potential) to a solution with some(prenominal) solute concentration (low water potential). The one with a high water concentration is called a hypotonic solution and the low water concentration is called hypertonic solution, but these lonesome(prenominal) depend on what quality of concentration is on the different human face of the partially porous membrane. When more water passes with with(predicate) to one face of the membrane it is called realise movement. (Toole + Toole Essential AS level biological science) This is an sample of the net profit movement through a partially leaky membrane. The right side is the more thin out solution , which makes it the hypotonic solution. The left side is the less hack solution, which makes it the hypertonic solution. final movement occurs through the more trim to the less dilute so it goes from left to right though the partially permeable membrane.
As you can see, the dotted tune liberation horizontally through the middle of the two levels of solution shows the level of the solutions at the beginning when the two sides where given come to amounts of its solution. The horizontal unbendable lines show the level of the two sides after(prenominal) it was left for 2 hours. The right side has more solution i n it because of the greater net movement of ! water going to the right from the left side by the process of osmosis. (Marveen GCSE Biology) This diagram is of two liquids divide by a partially permeable membrane. The left side has large molecules of solute that has dissolved... If you want to nab a full essay, prepare it on our website:
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