(1)怎样从黄铜矿CuFeS2制备CuF2; (2)从[Ag(S2O3)2]3-溶液中回收Ag; (3)从ZnS制备ZnCl2(无水): (4)怎样从Hg(NO3)2制备 ①Hg2C12; ②HgO; ③HgC12; ④HgI2; ⑤K2[HgI4]。
正确答案:

答案解析:有

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(1)怎样从黄铜矿CuFeS2制备CuF2; (2)从[Ag(S2O3)2]3-溶液中回收Ag; (3)从ZnS制备ZnCl2(无水): (4)怎样从Hg(NO3)2制备 ①Hg2C12; ②HgO; ③HgC12; ④HgI2; ⑤K2[HgI4]。
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