制CuSO 4 :Cu+2H 2 SO 4 (浓) △ . CuSO 4 +SO 2 ↑+2H 2 O
D.
制CuSO 4 :2Cu+O 2 =2CuO;CuO+H 2 SO 4 (稀)=CuSO 4 +H 2 O
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