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Define Osmosis.

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Question

Define Osmosis.

Definition
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Solution

The net spontaneous flow of solvent molecules into the solution or from more dilute solution to more concentrated solution through a semipermeable membrane is called osmosis.

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Chapter 2: Solutions - Long answer questions

RELATED QUESTIONS

Which of the following is not a colligative property?


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Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving 1.0 g of polymer of molar mass 185,000 in 450 mL of water at 37°C.


Determine the amount of CaCl2 (i = 2.47) dissolved in 2.5 litre of water such that its osmotic pressure is 0.75 atm at 27°C.


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In calculating osmotic pressure the concentration of solute is expressed in _______.


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The average osmotic pressure of human blood is 7.8 bar at 37°C. What is the concentration of an aqueous NaCl solution that could be used in the blood stream?


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(ii) density

(iii) elevation in boiling point

(iv) depression in freezing point


Give an example of a material used for making semipermeable membrane for carrying out reverse osmosis.


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Column I Column II
(i) Saturated solution (a) Solution having same osmotic
pressure at a given temperature as
that of given solution.
(ii) Binary solution (b) A solution whose osmotic
pressure is less than that of another.
(iii) Isotonic solution (c) Solution with two components.
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solvent at a given temperature.
(v) Solid solution (e) A solution whose osmotic pressure
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In Isotonic solution


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