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March 27, 2017

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Which of the following statements about boiling points are true?
A. The boiling point of 0.1 m NaF(aq) is lower than the boiling point of 0.1 m methanol(aq).
B. The boiling point of a 0.5 m aqueous solution of LiOH is the same as the boiling point of a 0.5 m aqueous solution of LiCl.
C. The boiling point of a solution made by dissolving 10 g of C2H6O2 in 0.30 kg of water is higher than the boiling point of a solution of 10 g of NaCl in 0.30 kg of water.
D. The boiling point of 2 m KF in water is 102.4ºC.
E. The boiling point of 1 m aqueous KNO3 is higher than the boiling point of 1 m aqueous Ba(NO3)2.

  • chemistry - ,

    All of these can be answered with delta T = i*Kf*m or i*Kb*m
    I can help you if you explain what you don't understand.

  • chemistry - ,

    A 10 g mixture of glucose and urea present in 250 ml solution show that osmotic pressure of 7.4 atm at 27°c .calculate % composition of mixture

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