36. An aqueous solution containing Ba2+, Pb2+, Cu2+, C3+ and Hg22+ ions is treated by HCI, H2S and NaOH solution in sequence. Which ion will not precipitate out of the solution?
(A) Ba2+
(B) Pb2+
(C) Cu2+
(D)Cr3+
(E) Hg22+
詳解 (共 1 筆)
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1. 題目解析 這道題目考察的是不同金...