MHT CET Chemistry question
A solution of glucose containing 9.2 g/litre (molecular weight: 180 g/mol) is isotonic with 3% solution of a non-volatile solute. The molecular weight of the solute will be
Answer: (B)
Solution
Isotonic solutions have equal molar concentration: (3% = 30 g per litre), so $M = 30×180/9.2
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