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pn498487
2 năm trước
bt:Thiết lập phương trình hóa học của các phản ứng hóa học sau: 1.AgNO3+K3PO4->Ag3PO4+KNO3 2.FeS+HCL->FeCL2+H2S 3.Pb(OH)2+HNO3->Pb(NO3)2+H20 4.Mg(OH)2+HCL->MgCL2+H20
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