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Calculate the minimum external pressure that must be applied in a reverse osmosis system to reduce...

Calculate the minimum external pressure that must be applied in a reverse osmosis system to reduce the salinity of a seawater sample from 3.50% NaCl (i = 1.84) to 171 mg NaCl per liter at 25°C. Assume the density of the seawater sample is 1.0 g/mL.

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