試題詳解

74. 1 mg of a non-electrolyte protein is dissolved in enough water to make 1.00 mL of solution. The osmotic pressure of the solution is found to be 1.56 torr at 25ºC. The molecular weight of this protein is approximately ________ g.
(A) 1.19 × 10⁷
(B) 11905
(C) 5950
(D) 999
(E) None of the above