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Osmosis Graph

Asked by DeNiSha | Feb 22, 2007 | GCSE Level > Biology > Coursework
DeNiSha asks:

I have completed my graph for the change in mass % against concentration and it has come out as a steep curve at the top and then it gets gradual after reaching the negative numbers. How do i know this is right and if it is why is there such a steep difference in mass between 0.1M concentration and 0.3M concentration. COuld this suggest inaccurate results?

etutor answers:
The highest concentrations of sugar cause plasmolysis. At this point the cells have lost just about as much water as they can, so increasing the concentration further does not really increase the effect. It is therefore normal for the effect to 'trail off'.

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