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Potato chips experiment Essay

Assignment id 1004773
Discipline Biology
Assignment type Essay
Words 2089
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Investigate the consequences of different concentrations of salt option on potato cells Launch Osmosis is the manner in which many living issues take up water (supply: GCSE Biology for you personally). During osmosis, water techniques from a dilute remedy to a far more concentrated alternative through a semi-permeable membrane. This membrane allows drinking water molecules to feed easily, but will not allow solute molecules to get this done. The movement of the water molecules steadily dilutes the perfect solution is that had the bigger focus until they are equivalent, or as near to equal as possible. The next is a useful example that demonstrates osmosis efficiently. Example A Example B % change in mass Mass at start (g) 16.7 20.6 Mass at end (g) 11.8 25.2 Out of this example, we are able to see that example A lower life expectancy its weight by 4.9g, and therefore water molecules shifted from the clear water into the salt remedy through osmosis. Likewise, example B gained 4.6g, and therefore water molecules shifted through the semi-permeable membrane from the low concentration of salt option to the higher focus through osmosis. Preliminary function Apparatus ========= Г 3 galley pots Г 60 ml saturated salt option Г 60 ml distilled drinking water Г poker chips Г knife Г stability (accurate to 1d.p.) Г 50 ml measuring cylinder (accurate to 1ml) Г stopclock (accurate to 1d.p.) Variables ========= Г Size of potato chip Г Period left Г Surface of poker chips Г Age group of potatoes Г Concentrations of salt solution Г Heat of potato c...

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