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nguyenanhthang9903
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Cân bằng phương trình 3) Fe + HCl =>.... 4) Fe + Cl2 =>.... 5) CuO + HCl =>.... 6) CuO + H2SO4 =>.... 7) BaCl2 + H2SO4 =>.... 8) Na2O + HCl =>.... giúp mik với <3
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