1. Ethylene glycol is a common component of anti-freeze.  A solution of ethylene glycol and water has a boiling point of 101.00C.  What is the molality of the solution?  Kbp of water is 0.51210C /m

 

  1. How many grams of ethylene glycol (MW=62.068 g/mol) is need to add to 250g of water to increase the boiling point by 1.00C? Kbp of water is 0.51210C /m

 

  1. Determine the boiling point of a 0.80m solution of CaF2. 

 

  1. Methyl Salicylate is used in food flavoring and pharmaceuticals. Adding 1.25g of methyl salicylate (MW=152.14g/mol) to 100g of benzene will raise the boiling point to what temperature?  Kbp of benzene is 2.530C /m, and the boiling point of pure benzene is 80.100C.

 

  1. Adding 36.0g of glucose (MW= 180g/mol) to 500.0 g of ethyl alcohol will raise the boiling point to 79.30C.  Pure ethanol has a boiling point of 78.50C.  What is the value for Kbp?