Author Question: Chloroform is a volatile liquid once commonly used in the laboratory but now being phased out due to ... (Read 51 times)

notis

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Chloroform is a volatile liquid once commonly used in the laboratory but now being phased out due to its ozone depletion potential.
 
  If the pressure of gaseous chloroform in a flask is 195 mm Hg at 25C and its density is 1.25 g/L, what is the molar mass of chloroform?
  A) 10.0 g/mol
  B) 76.3 g/mol
  C) 119 g/mol
  D) none of the above

Question 2

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.
 
  A) 0.11
  B) 3.7
  C) 6.8
  D) 6.3
  E) 0.16



miss.ashley

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Answer to Question 1

C

Answer to Question 2

D



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