Tuesday, January 7, 2014

Osmosis In Potatoes

Investigate what effect different levels of concentration of saccharose do have on the movement of water via osmosis in purity potato vinees. EQUIPMENT saccharose resolvent (0.2M, 0.4M, 0.6M, 0.8M, 1.0M) Distilled water (0.0M) Potatoes Cork stone drill Boiling undergrounds Boiling pipage rack Stop time Balance (0.0 decimal places) Tweezers Measuring cylinder Ruler send manage 6 pieces of potato with a cork bore bit and racetrack them to the aforementioned(prenominal) length of approximately 5 cm (measure with a ruler) Measure out 25cm³ of water and separately of the sucrose issues, victimisation the measuring cylinder. The measurements for the resolves have to be perfect as to not change the outcome of the experiment. Pour into simmering tubes, cock-a-hoop the mingled concentrations. Label boiling tubes with concentration of sucrose solution weigh measurements of each potato tube ( hatful) on the par wholeelism and leger in a su itable table. Always use the same(p) balance to weigh the mass of the each tube as measurements may differ slightly between scales. The surface eye socket of the potato tubes will be kept the same by having all the tubes the same size. They must be kept the same because the measurement of surface area exposed to the solution may chance on the rate of osmosis. Be sure to poster which strength solution is put in each.
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Place potatoes in sucrose solution and leave for 30 minutes, using the stop watch for accurate timings. shift potato tubes and pat off superfluity sucrose solution with a paper towel, in the order that they came out of the boiling! tubes as to not confuse which tube came from which solution. Take measurements of mass and length of each tube and indicate appearance in a suitable table. This experiment should thence be reiterate to ensure a fair stress as the results give the bounce then be compared. . fortune telling It could be predicted that as the concentration of the sucrose increases, the mass and length of the potato tube will decrease. The think behind this, is that the higher(prenominal) the concentration of sucrose in...If you want to win a dependable essay, order it on our website: OrderCustomPaper.com

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