問題詳情
23. Which of the following will cause the calculated molar mass of a compound determined by thefreezing-point depression method to be greater than the true molar mass?
(A) water gets into the solvent after the freezing point of the pure solvent is determined
(B) some ofthe solute molecules break apart
(C) the mass of solvent is smaller than determined from theweighing
(D) while adding the solute, the technician spilled some of it on the lab bench
(E) all ofthese
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增