除杂质 KNO3(CUSO4) AG(CU)
人气：323 ℃ 时间：2020-03-26 21:15:41
解答
KNO3(CuSO4)
加氢氧化钡：CuSO4+Ba(OH)2=BaSO4↓+Cu(OH)2↓
Ag(Cu)
Cu+2AgNO3=Cu(NO3)2+2Ag
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