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4A. Osmotic Pressure Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of its pure solvent across a semipermeable membrane. It is also defined as the measure of the tendency of a solution to take in pure solvent by osmosis. Osmosis is the movement of a solvent through a semi-permeable membrane from a region of lower solute concentration (higher solvent concentration) to a region of higher solute concentration (lower solvent concentration) where: n = CRT n = osmotic pressure (pi unit) c = concentration of solution in molarity/molality (M/m) Latm R = universal gas constant (0.0821 mol. K T = absolute temperature in Kelvin (°C + 273) SP. 13 A very dilute solution 0.0020 M table salt in water, is separated by an osmotic membrane. Determine the osmotic pressure in Torr developed at 25°C. SP. 14 and 15 Which aqueous solution has the highest osmotic pressure? (item 14) 20% glucose, C₂H₁2O6 or (item 15) 20% sucrose, C12H22011? (Note: Aqueous means dissolved in water solvent; % = g)

4A. Osmotic Pressure Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of its pure solvent across a semipermeable membrane. It is also defined as the measure of the tendency of a solution to take in pure solvent by osmosis. Osmosis is the movement of a solvent through a semi-permeable membrane from a region of lower solute concentration (higher solvent concentration) to a region of higher solute concentration (lower solvent concentration) where: n = CRT n = osmotic pressure (pi unit) c = concentration of solution in molarity/molality (M/m) Latm R = universal gas constant (0.0821 mol. K T = absolute temperature in Kelvin (°C + 273) SP. 13 A very dilute solution 0.0020 M table salt in water, is separated by an osmotic membrane. Determine the osmotic pressure in Torr developed at 25°C. SP. 14 and 15 Which aqueous solution has the highest osmotic pressure? (item 14) 20% glucose, C₂H₁2O6 or (item 15) 20% sucrose, C12H22011? (Note: Aqueous means dissolved in water solvent; % = g)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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4A. Osmotic Pressure Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of its pure solvent across a semipermeable membrane. It is also defined as the measure of the tendency of a solution to take in pure solvent by osmosis. Osmosis is the movement of a solvent through a semi-permeable membrane from a region of lower solute concentration (higher solvent concentration) to a region of higher solute concentration (lower solvent concentration) where: n = CRT n = osmotic pressure (pi unit) c = concentration of solution in molarity/molality (M/m) Latm R = universal gas constant (0.0821 mol. K T = absolute temperature in Kelvin (°C + 273) SP. 13 A very dilute solution 0.0020 M table salt in water, is separated by an osmotic membrane. Determine the osmotic pressure in Torr developed at 25°C. SP. 14 and 15 Which aqueous solution has the highest osmotic pressure? (item 14) 20% glucose, C₂H₁2O6 or (item 15) 20% sucrose, C12H22011? (Note: Aqueous means dissolved in water solvent; % = g)
Transcribed Image Text:4A. Osmotic Pressure Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of its pure solvent across a semipermeable membrane. It is also defined as the measure of the tendency of a solution to take in pure solvent by osmosis. Osmosis is the movement of a solvent through a semi-permeable membrane from a region of lower solute concentration (higher solvent concentration) to a region of higher solute concentration (lower solvent concentration) where: n = CRT n = osmotic pressure (pi unit) c = concentration of solution in molarity/molality (M/m) Latm R = universal gas constant (0.0821 mol. K T = absolute temperature in Kelvin (°C + 273) SP. 13 A very dilute solution 0.0020 M table salt in water, is separated by an osmotic membrane. Determine the osmotic pressure in Torr developed at 25°C. SP. 14 and 15 Which aqueous solution has the highest osmotic pressure? (item 14) 20% glucose, C₂H₁2O6 or (item 15) 20% sucrose, C12H22011? (Note: Aqueous means dissolved in water solvent; % = g)
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