how is the osmotic pressure affected by solutes?

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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how is the osmotic pressure affected by solutes?
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Semipermeable
membrane
EXAMPLE 11.10
osmotic pressure
(2)
where R is the universal gas constant.
Semipermeable
membrane
Taman Nasier vi suivent molecules to the son occurs un
osmotic pressure yields equal rates of transfer in both directions.
When-osmosis is carried out in an apparatus like that shown in Figure 11.24, the volume of the solution increases
as it becomes diluted by accumulation of solvent. This causes the level of the solution to rise, increasing its
hydrostatic pressure (due to the weight of the column of solution in the tube) and resulting in a faster transfer of
solvent molecules back to the pure solvent side. When the pressure reaches a value that yields a reverse solvent
transfer rate equal to the osmosis rate, bulk transfer of solvent ceases. This pressure is called the osmotic
pressure (17) of the solution. The osmotic pressure of a dilute solution is related to its solute molarity, M, and
absolute temperature, T, according to the equation
ALI
II = MRT
Calculation of Osmotic Pressure
Assuming ideal solution behavior, what is the osmotic pressure (atm) of a 0.30 M solution of glucose in
water that is used for intravenous infusion at body temperaturo 37 °C3
Transcribed Image Text:wailable to use the most recent version of this software. Semipermeable membrane EXAMPLE 11.10 osmotic pressure (2) where R is the universal gas constant. Semipermeable membrane Taman Nasier vi suivent molecules to the son occurs un osmotic pressure yields equal rates of transfer in both directions. When-osmosis is carried out in an apparatus like that shown in Figure 11.24, the volume of the solution increases as it becomes diluted by accumulation of solvent. This causes the level of the solution to rise, increasing its hydrostatic pressure (due to the weight of the column of solution in the tube) and resulting in a faster transfer of solvent molecules back to the pure solvent side. When the pressure reaches a value that yields a reverse solvent transfer rate equal to the osmosis rate, bulk transfer of solvent ceases. This pressure is called the osmotic pressure (17) of the solution. The osmotic pressure of a dilute solution is related to its solute molarity, M, and absolute temperature, T, according to the equation ALI II = MRT Calculation of Osmotic Pressure Assuming ideal solution behavior, what is the osmotic pressure (atm) of a 0.30 M solution of glucose in water that is used for intravenous infusion at body temperaturo 37 °C3
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