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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 ?

A

`0.16mol//L`

B

`0.30mol//L`

C

`0.60mol//L`

D

`0.45mol//L`

Text Solution

Verified by Experts

The correct Answer is:
B
`pi=CRT`
`C=(pi)/(RT)=(7.8)/(0.0831xx(273+37))`
`=(7.8)/(0.0831xx310)=0.30mol//L`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-SOLUTIONS AND COLLIGATIVE PROPERTIES -Exercise 2 (Miscellaneous Problems)
  1. Addition of a non-volatile solute causes lowering in vapour pressure o...

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  2. If at certain temperature, the vapour pressure of pure water is 25 mm...

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  3. The average osmotic pressure of human blood is 7.8 bar at 37^(@)C. Wha...

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  4. 1mol each of the following solutes are taken in 5mol water, (a)NaCl (...

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  5. The boiling point of 0.2 mol kg^(-1) solution of X in water is greater...

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  6. Density of 2.05 M solution of acetic acid in water is 1.02g//mL. The m...

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  7. In a 0.2 molal aqueous solution of a weak acid HX the degree of ioniza...

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  8. By dissolving 5 g substance in 50 g of water, the decrease in freezin...

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  9. The vapour pressure of pure liquid is 1.2 atm. When a non-volatile su...

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  10. How much C(2)H(5)OH must be added to 1.0"L of "H(2)O, so that solution...

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  11. On the basis of information given below mark the correct option. Inf...

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  12. If sodium sulphate is considered to be completely dissociated into cat...

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  13. The vapour pressure of water at 20^(@) is 17.5 mmHg. If 18 g of glucos...

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  14. An aqueous solution of 2 per cent (wt.//wt) non-volatile solute exerts...

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  15. On mixing, heptane and octane form an ideal solution. At 373K the vapo...

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  16. To neutralize completely 20 mL of 0.1M aqueous solution of phosphorus ...

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  17. The degree of dissociation (alpha) of a weak electrolyte A(x)B(y) is ...

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  18. A solution of Al(2)(So(4))(3){d=1.253 gm//ml} contain 22% salt by weig...

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  19. A solution is obtained by mixing 300 g of 25% solution and 400 g of 40...

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  20. Which of the following aqueous solutions produce the same osmotic pres...

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