Q.

A solution of sucrose(molar mass == 342 g/mol). is prepared by dissolving 68.4 g of it per litre of the solution, what is its osmotic pressure R=0.082 lit. atm. k1mol1 at 273 K

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a

4.48 atm

b

5.32 atm

c

4.04 atm

d

6.02 atm

answer is B.

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Detailed Solution

π=CRTπ=w×R×TmV=68.4×0.0821×273342=4.48atm

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