What would happen if solution Y is more concentrated than…
What would happen if solution Y is more concentrated than solution X in the figure below?
A. the level of X would rise, Y would fall
B. the level of X would rise, Y would rise
C. the levels of X and Y would stay the same
D. the level of Y would rise, X would fall
Water naturally moves from the region of low ion concentration to the region of high ion concentration in order to eventually balance and maintain both solutions at the same concentration. This process is known as osmosis.
In the set up above, the level of X would reduce and that of Y would rise because water will move from X to Y in order to neutralize the concentration of Y.
Now for the right answer to the above question:
- A is not the right answer. No, water would not move from Y to X.
- B is incorrect. both cannot rise at the same time.
- C is incorrect. both cannot stay the same because their concentration is different.
- D is correct. water would move from X to Y.
You may please note this/these:
- In osmosis, water moves across a semi-permeable membrane.
- In osmosis, water moves from a region of less ion concentration to the region of higher ion concentration until the concentration of both regions becomes the same.
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/ culled from 2020 JAMB-UTME biology past question 4 /