Minimum elevation in boiling point is given by a solution of
1. 0.1M Urea
2. 0.1 NaCL
3. 0.1 Mgcl2
4. 0.1M AL2(So4)3

  1. 👍 0
  2. 👎 0
  3. 👁 319
  1. delta T (increase in b.p.) = i*Kb*m
    All are the same m so that is a constant. kb is a constant. Threfore, it all depends upon i, the van't Hoff factor.
    i = 1 for urea
    i = 2 for NaCl
    i = 3 for MgCl2
    i = 5 for Al2(SO4)3.

    So which will cause the SMALLEST CHANGE?

    1. 👍 0
    2. 👎 0
  2. . 0.1M Urea

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry

    At a certain elevation, the boiling point of water is 98.5°C. How much energy is needed to heat 35.0 mL of water to the boiling point at this elevation if the water initially was at 23.4°C? (Cp=75.38J/(mol*C), d= 1.00g/mL)

  2. Chem

    choose the solvent below that would show the greatest boiling point elevation when used to make a 0.10m non electrolyte solution a.C6H6, Kb= 5.12 degree C/m b. CHCl3, Kb= 4.70 degree C/m c.CCl4, Kb= 29.9degree C/m d.CH3CH2OH, Kb=

  3. chemistry

    The molarity of urea in a solution prepared by dissolving 16 g of urea (MW 60.0g/mol) in 39 g of H2O is ______M. The density of the solution is 1.3 g/ml.

  4. Chemistry

    What is the effect on the boiling point of a solution (for example, water) produced by a soluble nonvolatile substance (for example, sodium chloride)? What is the effect of an insoluble substance such as sand or charcoal? I

  1. chemistry

    A solution is prepared by dissolving 104.1 grams of barium chloride, BaCl2 in 1000. grams of water? What is the boiling point of this solution? [The boiling point elevation constant for water is 0.52°C/mole solute in 1000g of

  2. CHEM 2: Boiling Point

    Which Aqueous solution has the highest normal boiling point? a.) 0.1 m NaCl b.) 0.1 m C2H5OH c.) 0.1 m CaCl2 d.) They all have the same boiling point. I think that the answer is D, the all have the same boiling point. Is this

  3. Chemistry

    The normal boiling point for acetone is 56.5°C. At an elevation of 5300 ft the atmospheric pressure is 630. torr. What would be the boiling point of acetone (ÄHvap = 32.0 kJ/mol) at this elevation? I need to know how to do

  4. Chemistry problem

    What is the expected freezing point of a 3.50 m aqueous solution of BaCl2 (Kfp=1.86C/m)? What is the boiling point (Kbp=0.512C/m? & which is affected to the greater extent, the boiling point or the freezing point?

  1. AP Chemistry

    A 25.0g sample of glucose, C6H12O6, dissolves in 525mL of distilled water. a. what is the boiling point elevation of the solution over the pure solvent? b. At what temperature will the solution boil at sea level? --- I'm not a fan

  2. chemistry

    The molarity of urea in a solution prepared by dissolving 16 g of urea (MW = 60.0 g/mol) in 39 g of H2O is __________ M. The density of the solution is 1.3 g/mL. i get 8.9 but the practice test says the answer its 6.3

  3. chemistry

    the concentration of urea in a solution prepared by dissolving 16g of urea in 39 g of H2O is ________% by mass. The molar mass of urea is 60.0 g/mol

  4. college chemistry

    Comparing the boiling points of: A) C3H8 B) C5H12 C) C2H5OH and identify the folowing statements as either True or False: Dispersion forces only for (A) Boiling point (C) > Boiling point (A) (B) exhibits hydrogen bonding Boiling

You can view more similar questions or ask a new question.