Chem 145D PreLab Name ________________________
LAB Section Day/Time________________
Experiment: Colligative Properties –
  1. If a solution of table salt in water has a freezing point of –2.0  degrees C, answer the following:

    2.     What would the freezing point of a same concentration of the following compounds be?
              KCl,                  AlCl3,              CaCl2
       
       

             Sugars:     Glucose (C6H12O6)         Table Sugar         Sucrose (C12H24O11)
       
       
       

  2. Indicate here, which of the solutions above would conduct electricity well.

    3.  

     
     
     
     
     
     
     
     
     
     
     

  3. What would the boiling point elevation expected for the table salt solution in question 1.

    4.  

     
     
     
     
     
     
     
     
     
     
     

  4. Calculate the Osmotic pressure of a 1.0 molar NaCl solution.

    5.  

     
     
     
     
     
     
     
     
     
     
     
     
     
     

  5. Explain, clearly and concisely, using Henry’s Law, the difference in the amount of carbon dioxide gas theere would be dissolved in the water in a bottle of carbonated water in which one bottle that has a pressure of 1.5 atmospheres of carbon dioxide and the other has 2 atmospheres.