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November 21, 2014

Homework Help: Chemistry

Posted by Tracy on Saturday, February 18, 2012 at 8:16pm.

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 58.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 C when the reverse osmosis stops? ___M conc. Assuming that seawater has a total ion concentration (aka colligative molarity) of 1.10 M conc, calculate how many liters of seawater are needed to produce 53.7 L of fresh water at 20 C with an applied pressure of 58.0 bar.


is this how you would solve for M c?
58.0 bar = (0.083145)(20 C)(M c)?

and i have no idea how i would solve for the liters needed to produce fresh water... can somebody help me please?

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