Problem: The osmotic pressure of blood at normal body temperature of 37°C is 7.65 atm. Sometimes it is necessary to add a saline (NaCl) solution by intravenous injection to a patient in the emergency room. What should be the concentration of the NaCl solution (in g/L) so that it will have the same osmotic pressure as the blood at 37°C? a. none of the other answers is even close (within 10% error) b. 4.4 c. 2.2 d. 8.8 e. 17.6

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The osmotic pressure of blood at normal body temperature of 37°C is 7.65 atm. Sometimes it is necessary to add a saline (NaCl) solution by intravenous injection to a patient in the emergency room. What should be the concentration of the NaCl solution (in g/L) so that it will have the same osmotic pressure as the blood at 37°C?

a. none of the other answers is even close (within 10% error)

b. 4.4

c. 2.2

d. 8.8

e. 17.6

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