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The average osmotic pressure of human bl...

The average osmotic pressure of human blood is 7.8 bar at `27^@C`. What is the concentration of an aqueous Naci solution that could be used in the blood stream?

A

0.16 mol/litre

B

0.32 mol/litre

C

0.60 mol/litre

D

0.45 mol/litre

Text Solution

Verified by Experts

The correct Answer is:
A
`pi =7.8 " bar " =7.8` atm (1 bar = 1 atm)
`T = 273+27 = 300 K, I = 2` (for NaCI), `pi = iCRT`
`C = pi/(iRT) = (7.8)/(2xx0.0821xx300)= 0.16` mol/L
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