7.1.2铜族金属单质 2Cu+O,+CO,+,0-Cu(On)2 CucO3 4Ag+2H, S+O,-2Ag2S+2H,20 2 Cu+4HCH+O,--2CuCI2+2H2O △ 2Cu+8HCI(浓)=2H2CuC14+H2↑ Au+4HCI+HNO3== HAuCl4+NO+2H2O2Cu+4HCl+O2 == 2Cu+O2+CO2+H2O == Cu(OH)2 · CuCO3 4Ag+2H2S+O2 == 2Ag2S+2H2O 2CuCl2+2H2O Au+4HCl+HNO3 == HAuCl4+NO+2H2O 2Cu+8HCl(浓) == 2H2 [CuCl 4 ] +H2 ↑ △ 7.1.2 铜族金属单质