Following the irrigation of salted soils, 10,000 L of salty irrigation runoff was filtered by a reverse osmosis (RO) treatment plant generating 7,000 L of pure water for return to a local river. Following RO treatment, the brine (left-over salt solution) concentration was 1.95 M NaCl. What was the hydrostatic pressure (atm) required by the RO plant to filter this volume of the salty irrigation runoff at a temperature of 20.0 oC?
Following the irrigation of salted soils, 10,000 L of salty irrigation runoff was filtered by a reverse osmosis (RO) treatment plant generating 7,000 L of pure water for return to a local river. Following RO treatment, the brine (left-over salt solution) concentration was 1.95 M NaCl. What was the hydrostatic pressure (atm) required by the RO plant to filter this volume of the salty irrigation runoff at a temperature of 20.0 oC?
Osmosis is a phenomenon that occurs when there are two regions of different concentrations of solution that is separated by a semipermeable membrane. In this condition, the solvent from lower concentration moves to the region of higher concentration via semipermeable membrane. This is a naturally occurring phenomenon that is referred as osmosis. Now, when the pressure is applied on the region of higher concentration solution, the flow of solvent to higher concentration region decreases. The minimum pressure that must be applied on the region of higher concentration solution to stop of the slow of solvent is known as osmotic pressure.
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