Question: In problem 14-2-19 [BOK] change the salinity from 0.05% through 5% and plot how the minimum power requirement varies with the salinity of the brackish

In problem 14-2-19 [BOK] change the salinity from 0.05% through 5% and plot how the minimum power requirement varies with the salinity of the brackish water.
Problem 14-2-19
Fresh water is to be extracted at a rate of 100 L/s from brackish water at 15oC with a salinity of 0.05% (by mass). Determine (a) the mole fraction of water in the brackish water, (b) the minimum power (in kW) required, and (c) the minimum pressure to which the brackish water must be pumped if the fresh water is to be obtained by reverse osmosis using semipermeable membrane.

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