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15.0 g of unknown molecular material is dissolved in 450 g of water. The resulting solution freezes at $−0.34^{\large\circ}$C. What is the molar mass of the material? ($K_f$ for water = 1.86 K kg $mol^{−1}$)

1 Answer

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