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26. For gettting accurate value of molar mass of a solute by osmotic pressure measurement

a. The solute must be volatile

b. The solution concentration must be high

c. The solute  should undergo dissociation

d. The solute must be non – volatile

Ans. d

Explanation : To get precise values of molar mass of a solute by osmotic pressure measurement the solute should be non- volatile

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