阿摩線上測驗
22. Commercial 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) 20.9 m
(B) 27.6 m
(C) 40.1 m
(D) 46.1 m
(E) 53.1 m
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統計： A(2), B(5), C(2), D(14), E(1) #3227635
統計： A(2), B(5), C(2), D(14), E(1) #3227635
