Napisz równana reakcji otrzymywania soli 3 sposobami:
A)siarczek glinu
B)Azotan potasu
C)Chlorek wapnia
D)Siarczan miedzi (2)
e)fosforan wapnia
f) Azotan (3) żelaza (3)
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A)
2 Al + 3 S = Al₂S₃
2 Al(OH)₃ + 3 H₂S = Al₂S₃ + 6 H₂O
2 Al(OH)₃ + 3 Na₂S = Al₂S₃ + 6 NaOH
B)
2 K + 2 HNO₃ = 2 KNO₃ + H₂
KOH + HNO₃ = KNO₃ + H₂O
KOH + NaNO₃ = KNO₃ + NaOH
C)
Ca + 2 HCl = CaCl₂ + H₂
Ca(OH)₂ + 2 HCl = CaCl₂ + 2 H₂O
Ca + Cl₂ = CaCl₂
D)
Cu + H₂SO₄ = CuSO₄ + H₂
CuS + H₂SO₄ = CuSO₄ + H₂S
Na₂SO₄ + CuS = CuSO₄ + Na₂S
E)
6 Ca + 2 H₃PO₄ = Ca₃(PO₄)₂ + 3 H₂
3 Ca(OH)₂ + 2 H₃PO₄ = Ca₃(PO₄)₂ + 6 H₂O
3 Ca(OH)₂ + 2 Na₃PO₄ = Ca₃(PO₄)₂ + 6 NaOH
F)
2 Fe + 6HNO₂ = 2 Fe(NO₂)₃ + 3 H₂
Fe(OH)₃ + 3 HNO₂ = Fe(NO₂)₃ + 3 H₂O
Fe₂S₃ + 6 NaNO₂ = 2 Fe(NO₂)₃ + 3 Na₂S