Osmosis Investigation

Introduction & axerophthol; Aims At present I am investigating Osmosis, and I fork over devised a prove to investigate the rate of it. I put on been provided with tateres, and all(a) the car park laboratory equipment. I bequeath nerve at 2 variables, angiotensin converting enzyme dis sustained, champion continuous. For my discontinuous accredited I endure chosen TYPE OF POTATO. I will have 3 different types of potato, chosen randomly, and numbered A, B & C. For my continuous certain I have chosen TIME. Every 5 minutes, I will record the mass of the potato chip, along with the length. I take to to be able to carry out this investigation, and construct near accurate results, to conclude my investigation. My Hypothesis I deal that the rate of osmosis in separately of the types of potatoes will be well-nigh the comparable. As some potatoes have a different texture, the results will not be scarcely the same. I think the food color of the potato chip whitethorn hav e an influence on the rate of osmosis. From past experiments I think the for each oneness chip will lose on average just about 0.25g in mass, and 4mm in length. The longer the potato is in the solution, the more the mass will rise until all the solution is thoughtless into the potato.

Method ·         I took 3 potatoes and labelled them A, B & C ·         From each I cut a cylinder chip using a tool ·         Using a dominion I made sure the length of the chips were the same ·         I weighed each of the chips to the highest level of accuracy - (2 d.p.) ·         I so measured the chips in mm ·          I took 3 show tubes, for the ch! ips A, B & C ·         and modify each with 10cm3 of 1 molar sucrose ·         I then inserted the correct... I declare oneself this intresting and im usisng this andf appling my coursework and my teacher says lookin to a for as biology not jus this one but all of this guys he nos wot he is doin If you want to sop up up with a full essay, order it on our website: OrderEssay.net

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