Find the concentration of sucrose in a potato cell - Plan :: GCSE Biology A2 A-Level Coursework

Find the concentration of saccharose in a stump spud cell - PlanPlan For Osmosis/Plasmolysis Experiment dumbfoundIn this experiment, I am trying to find the concentration of sucrosein a potato cell. in any case I can restrain when a cell is totallyplasmolyised.PLANI plan to deal this experiment within an hour. Firstly, I entrust incinerate 15 potato chips, 3 each for 5 different antecedents, each unhurriedness 1.2grams, cut with a 4mm corer to approx (full word) 4cm. I allow for measure weight, as length is little accurate. The weight of the chip may vary as much as 0.02 g each way, which leave alone make it a lot easier to do, further may provide me with less accurate results. I leave behind give 5 different molar(a) solutions of 20 cm3 each, shown to the right. 0M (water), 0.5M, 1M, 1.5M and 2M. I ordain bring about 0.5 molar solutions by mixing 10cm3 of water and 10cm3 of 1 molar solution. I will use 3 of each solution to ensure that my results atomic number 18 correct, and to prevent any anomalies disturbing my result graphs. One of each solution will be dropped into the solution at 10-secondintervals. They will be interpreted out 30 minutes after precisely, toensure a authoritative result. They will then be dried on a newsprint towel,and quickly weighed, and recorded in a pre-written table.RELIABILITY/ FAIR outpouringI must control many variables in this test. I will control the timethat they are left in the solution, as this will greatly affectresults if they are left in for different amounts of time. Also I mustcontrol how much I dry the chips out front weighing them, because if Ileave some excess water on one of them, it will be an unfair test, asill be weighing the water as well as the chip. Another bakshis issimple, but just to make sure that the scales I am weighing the chipon are at 0 before weighing the chip, as it may add some mass to thechip. I will use 5 different solutions, starting at 0 molar and goingup in 0.5 molar c oncentrations. I have elect this because they areequidistant, allowing for easy graph drawing, and also because fromthe preliminary experiment, I exist that this will give me results thatcan show me the concentration of sucrose in the cells sap, and also goon to show me the concentration that the cell will plasmolyise at. Iwill also control the variety of potato- I will only use 1 brand, as