Which of the Following Methods Cannot Be Used to Determine

Multiple Choice

Which of the following methods cannot be used to determine the molar mass of a nonelectrolyte?

A) measurement of the freezing-point depression of a solution of the compound
B) measurement of the boiling-point elevation of a solution of the compound
C) measurement of the pressure,temperature,volume,and mass of the compound in the gaseous state
D) measurement of the x-ray diffraction of a pure crystal of the compound
E) measurement of the osmotic pressure of a solution of the compound