C4.6.2.1 Determination of the Osmotic Pressure of a Sugar Solution
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Determination of the Osmotic Pressure of a Sugar Solution
Experiment C4.6.2.1 uses the osmometer to demonstrate the principle of osmosis. This process plays a key role in regulating the volume and water of cells. The two chambers contain different concentrations of a solution and are separated by a semi-permeable membrane. The solvent flows osmotically into the solution of higher concentration. This raises the liquid level of that solution in the open system. The higher the concentration of the solution, the greater the water ingress. It slows to a stop when the hydrostatic pressure of the water column in the capillary tube is exactly equal to the osmotic pressure.
Components:
| 1 | 662 403 | Osmosis apparatus, large |
| 1 | 667 501 | Scale for large osmosis apparatus |
| 1 | 664 103 | Beaker, DURAN, 250 ml, squat |
| 1 | 665 754 | Measuring cylinder, 100 ml, with plastic base |
| 2 | 665 794 | Volumetric flask, Boro 3.3, 250 ml |
| 1 | 667 7977 | Electronic Balance 440-3N, 200 g : 0.01 g |
| 1 | 665 953 | Dropping pipette, 7 x 150 mm, 10 pcs. |
| 1 | 665 954 | Rubber bulbs, 10 pcs |
| 1 | 674 6060 | D(+)-Saccharose, 250 g |
EXPERIMENTS INSTRUCTIONS PLEASE CLICK HERE
