Osmosis in potatoes

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Issue:

Science

 

Written by:

Brian S

 

Date added:

September 7, 2010

 

Level:

University

 

Grade:

A

 

No of pages / words:

1 / 262

 

Was viewed:

10288 times

 

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Essay content:

They were then each weighed separately and their masses were recorded. This was done twice to get the best results (so there were two test tube racks). Once there was one in each test tube, they were left for approximately 24 hours (15.00 ? 13.00). At 13.00 the next day, the potato cylinders were removed from the test tubes and their masses were weighed and recorded...
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This is because the potato became turgid as it soaked up the water, by osmosis. The others decreased in mass. This tells us that osmosis has already taken place in the potato in the distilled water. This is because if the concentration of the solution is higher than the concentration of the potato, it would contract (sugar solutions) and if the concentration is lower, it would expand (distilled water)...
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