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IV solutions used in medicine must exert the same osmotic pressure as blood to prevent a net flow of water into or out of the blood cells. The proper concentration for an IV NaCl solution is .90 g NaCl per 100 ml of water.

If the van't Hoff factor of NaCl is i = 1.8, what is the osmotic pressure of blood at body temperature, 37 degrees Celsius ? (answer is atm)

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