Solutions Question 377

Question: A living cell contains a solution which is isotonic with 0.2 M glucose solution. What osmotic pressure develops when the cell is placed in 0.05MBaCl2 solution at 300 K-

Options:

A) 1.23 atm

B) 3.69 atm

C) 6.15 atm

D) None of these

Show Answer

Answer:

Correct Answer: A

Solution:

For non electrolyte solute (glucose) i = 1 For BaCl2Ba2++2Cl i= 3 (100% ionized) i=(numberofionsafierionization×α)+(1α)

=(3×1)+(11)=3

π=(iC1i2C2)RT
(1×0.23×0.05)0.0821×300
1.23,atm



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