在配合物[Cu(NH3)4]SO4溶液中加入少量的Na2S溶液,产生的沉淀是()。A、CuSB、Cu(OH)2C、SD、无沉淀产生
在配合物[Cu(NH3)4]SO4溶液中加入少量的Na2S溶液,产生的沉淀是()。
- A、CuS
- B、Cu(OH)2
- C、S
- D、无沉淀产生
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