問題詳情
22.tCommercial grade hydrofluoric acid (HF = 20.01 g mol-1) solutions are typically 48.0% (w/w). What is the molality of the HF, if the solution has a density of 1.15 g mL-1?
(A)t20.9 m
(B)t27.6 m
(C)t40.1 m
(D)t46.1 m
(E)t53.1 m
參考答案
答案：D
統計：A:0,B:4,C:1,D:2,E:0
難度：計算中