In reverse osmosis water flows out of a salt solution until, Ask an Expert

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In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 75.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse osmosis stops? Assuming that seawater has a total ion concentration (a.k.a colligative molarity) of 1.10 Mc, calculate how many liters of seawater are needed to produce 15.4 L of fresh water at 20 °C with an applied pressure of 75.0 bar.

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