16. A colorless solution contains cationic species H+, Mg2+, and Al3+. The relationship between the added volume (V) of NaOH solution and the mass (m) of the resulting precipitate is shown in the figure below. Which one is correct?
(A)
(B)
(C)
(D)
(E)
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統計: A(0), B(5), C(5), D(0), E(1) #3091934
統計: A(0), B(5), C(5), D(0), E(1) #3091934