Question

a semi permeable membrane is stretched across a chamber filled with water . the membrane is only permeable to water. 60 mg of salt is added to the left side of the chamber what will happen

Answer 1

We will find no change because the membrane  only allows water to pass through it and the water concentration on both sides is same.

Answer 2

Answer: The correct answer is hypertonic.

Explanation: The process taking place here is called osmosis and osmosis means the spontaneous or random of water from a high concentration to a low concentration or it can also be said that it is the movement of water having low solute to the water having a high solute amount and not only water it can be any kind of solvent and osmosis is only feasible when there is semipermeable membrane otherwise the process will not be called as osmosis and in this case now the right side as high amount of water but on the left side the amount of solute that is salt is added due to which the solution has less amount of water as now the water will move from high to a low concentration so water will move from right to left side and also if this was a cell then the water would have moved out of the cell which had led to shrinkage of cell and this condition is known as the hypertonic condition because due to high amount of water outside the water moves out of cell leading to cell shrinkage.

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