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01/10/2020 8:32 pm
Topic starter
The average osmotic pressure of human blood is 7.8 bar at 37°C. What is the concentration of an aqueous NaCl solution that could be used in the blood stream?
(a) 0.16 mol/L
(b) 0.31 mol /L
(c) 0.60 mol / L
(d) 0.45 mol / L
1 Answer
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01/10/2020 8:34 pm
(b) 0.31 mol /L
Explanation:
π = cRT
7.8 = c x 0.082 x 310
c = 7.8/0.082 x 310
= 0.31 mol /L