Concept explainers
Interpretation:
Approximate pressure required in the reverse osmosis should be determined.
Concept introduction:
Osmosis is the diffusion of a fluid via a semi permeable membrane. When solution is separated by a semi permeable membrane, only solvent molecules can go through the membrane. The osmotic pressure of a solution is defined as the pressure difference required stopping this flow of solvent across the semi permeable membrane. The osmotic pressure is given by,
p − osmotic pressure
n − number of moles
R − universal gas constant
T − absolute temperature
V − volume
When osmosis process is subjected to hydrostatic pressure greater than the osmotic pressure in the opposite direction, osmosis occurs in the reverse direction. This is called reverse osmosis.
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General Chemistry: Principles and Modern Applications (11th Edition)
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