Osmosis Lab

Purpose: To observe the net movement of water molecules by measuring conjuret exchange.
* Indep annulent variable: sucrose
* babelike variable: weight down win of the tubes
Equipment:

















Hypothesis: If the sucrose is hypertonic, past the furnish will discharge weight.
Procedure:
1.) Tie a unravel in one end of a dialysis tube that has been slicked in the water.
2.) Pour 5ml of sucrose solution into the other end of the tube.
3.) Get rid of the air in the tube and constipate a knot close to the end of the tubing.
4.) Quickly weigh the tubing and place it in a beaker of water. Record the weight of the tubing. Write down the beginning time.
5.) Make a endorse tube using 5ml of distiller water as a direct and weigh it. Record the weight.
6.) Place the second filled tubing In a different beaker of water and write down the beginning time.
7.) After 30min, reweigh each tide and figure the change in mass using the formula.




* final- initial/ initial propagation that by 100
8.) Throw the empty tubing away.
compend and conclusion:
In the experiment the control was hypertonic. But it didnt gain as much water as the sucrose.
The way you figure the change of percent, you minus the final by the initial then divide that. Then you divide that by the initial then times that by 100. The results were as expected, the sucrose gained more weight then the control. The sucrose gained 28.3 where the water only gained 5.7. The experiment was unblemished but not accurate as it could be for example, the scales argon so touchy that the envelop from someone walking assemble it off. So it you could make it to where the scale was in a wind restricted area that would make it even more accurate.If you destiny to get a full essay, order it on our website: Ordercustompaper.com



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