Odpowiedzi

2009-05-16T22:44:50+02:00
Cu(OH)₂ + H₂CO₃ -> CuCO₃ + 2 H₂O
CuS + CaCO₃ -> CuCO₃ + CaS

CuCl₂ -> Cu⁺ + 2 Cl⁻
KNO₃ -> K⁺ + NO₃⁻
Na₂CO₃ -> 2 Na⁺ + CO₃⁻²

2 Al + 3 S -> Al₂S₃
2 Al(OH)₃ + 3 H₂S + Al₂S₃ + 6 H₂O
2 Al + 3 H₂S -> Al₂S₃ + 3 H₂^
Al₂O₃ + 3 H₂S -> Al₂S₃ + 3 H₂O
2 3 2