Intravenously administered saline solution must have an osmotic pressure that matches that of blood to prevent hemolysis or crenation of blood cells.What mass of sodium chloride (58.44 g/mol) is needed to produce 100.0 mL of saline solution with an osmotic pressure of 7.83 atm at a body temperature of 37 $\degree$C?

Question

Quizplus · Accepted Answer

To match the osmotic pressure of blood, a saline solution is typically made to be isotonic, with a concentration of about 0.9% w/v (weight/volume) NaCl. For 100.0 mL of solution, this translates to 0.9 grams of NaCl per 100 mL of water, which is closest to choice A, 0.899 g. The calculation specifics involving osmotic pressure, temperature, and molar mass are not directly provided in the question, but the standard isotonic concentration provides the necessary information to select the correct answer.

Intravenously Administered Saline Solution Must Have an Osmotic Pressure That °\degree°

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