1.

On mixing 3 g of non - volatile solute in 200 mL of water, its boiling point \[\left( 100{}^\circ  \right)\] becomes \[100.52{}^\circ C.\] If \[{{K}_{b}}\] for water is 0.6 K/m then molecular wt. of solute is:

A. \[10.5g\,\,mo{{l}^{-1}}\]
B. \[12.6g\,\,mo{{l}^{-1}}\]
C. \[15.7\,g\,\,mo{{l}^{-1}}\]
D. \[17.3\,g\,\,mo{{l}^{-1}}\]
Answer» E.


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