A pure solvent and its solution (containing a nonvolatile solute) are separated
ID: 933313 • Letter: A
Question
A pure solvent and its solution (containing a nonvolatile solute) are separated by a semipermeable membrane through which solvent molecules (blue) can pass but solute molecules (green) cannot. The rate of solvent transfer is greater from solvent to solution than from solution to solvent, (b) The system at equilibrium, where the rate of solvent transfer is the same in both directions. Consider the model of osmotic pressure as shown in Fig. 10-18. What if each side contained a different pure solvent, each with a different vapor pressure? What would the system look like at equilibrium? Assume the different solvent molecules are able to pass through the membrane.Explanation / Answer
The inflow of solvent from a dilute solution (solvent) into the concentration solution when the two solutions are seperated by semipermeable membrane is called osmosis.
The membrane which alows the molecules of solvent only to pass through it but not the solute molecule.
in this digram solvent molecule fllow from solvent to solution(concentration solution).
Osmotic pressure: The pressure required to be applied on the solution to just stop the flow of solvent from solvent to solution .
At equilibrium rate of slvnet molecule from solvent to solution is equal to rate flow of solvent molcule from solution to solvent.Here rate of farward reaction and rate of back ward reaction are equal.
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