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NEET 2006 Chemistry question

ChemistrySolutionsNEET 2006

A solution containing 10 g per of urea (molecular mass = ) is isotonic with a 5% solution of a nonvolatile solute. The molecular mass of this nonvolatile solute is:

Answer: (2)

Solution

Isotonic solutions have the same osmotic pressure, hence the same molar concentration (at the same temperature). Urea: . A 5% (w/v) solution contains 5 g in 100 mL, i.e. 50 g per :

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Question ID VK-089586