To Determine the Molar Mass of a Small Protein in the Range

Multiple Choice

To determine the molar mass of a small protein in the range of 20,000-40,000 g/mol,it would be best to measure

A) the freezing point of the solvent and of the solution and the weight of the solute and solvent.
B) the boiling point of the solvent and of the solution and the weight of the solute and solvent.
C) the vapor pressure of the solvent and of the solution and the weight of the solute and solvent.
D) the osmotic pressure of the solution and the weight of the solute and solvent.
E) the density of the protein and to make x-ray measurements.