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A solution containing 0.2563 g of naphthalene (molecular mass = 128) in 50 g of carbon tetrachloride yields a boiling point elevation of 0.201 $^{\large\circ}$C while a solution of 0. 6216 g of an unknown solute in the same mass of the solvent gives a boiling point elevation of 0.647$^{\large\circ}$C. Find the molecular mass of unknown solute.

1 Answer

Hence (A) is the correct answer.
answered Jun 12, 2014 by sreemathi.v

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