STANDARD Chemistry Colligative Properties MCQ Question
10% solution of urea is isotonic with 6% solution of a non-volatile solute X. What is the molecular mass of solute X?
6 g mol⁻¹
60 g mol⁻¹
36 g mol⁻¹
32 g mol⁻¹
Correct Answer
Detailed Explanation
For isotonic solutions, 10/60 = 6/x gives x = 36 g mol⁻¹.
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