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from your predicted the value of the vant hoff factor, calculate the boiling point of a...

from your predicted the value of the vant hoff factor, calculate the boiling point of a 1.50 m aqueous solution of barium nitrate, Ba(NO3)2? The Kb of water is 0.52C/m.

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Answer #1

vant hoff factor for Ba(NO3)2 = 3 ( 1 Ba+2 ion and 2 NO3- ions)

Tb = Kb X molality

        = 0.52 X 1.5

       = 0.78

Tb = T1 - T0 (T1 = boiling point of solution, T0 = boiling point of water(solvent) T0 = 1000C)

T1 = Tb + T0

     = 0.78 + 100

     = 100.78 0C

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