The average osmotic pressure of human bl...

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 ?

`"0.15 mol/L"`

`"0.30 mol/L"`

`"0.60 mol'L"`

`"0.45 mol/L"`

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Verified by Experts

The correct Answer is:

NaCl sol. Used should be isotonic with blood stream. For NaCl, `i=2. pi=i` CRT
`C=(pi)/(iRT)=("7.8 bar")/(2xx"0.83 bar L K"^(-1)"mol"^(-1)xx310K)`
`="0.15 mol L"^(-1)`.

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