問題詳情

79. Find the mass percent ofCuSO4, in a solution whose density is 1.30 g/mL and whose molarity is 1.22 M. (The atomic mass of Cu is 63.55.)
(A) 22.1%
(B)31.6%
(C) 15.0%
(D) 12.4%
(E)noneofthese

參考答案

答案：C
難度：適中0.666667
統計：A(0),B(0),C(2),D(0),E(0)