Napisz równania reakcji otrzymywaniia podanych soli czterema wybranymi metodami
a) Ca(NO3)2
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b) BaCl2
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C) K3PO4 1............................................................................
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Ca + 2HNO3 --> Ca(NO3)2 + H2
Ca(OH)2 + 2HNO3 --> Ca(NO3)2 + 2H2O
CaO + 2HNO3 --> Ca(NO3)2 + H2O
Ca(OH)2 + N2O5 --> Ca(NO3)2 + H2O
c) K3PO4
6 K + 2 H3PO4 → 2K3PO4 + 3 H2
3 K2O + 2 H3PO4 →2 K3PO4 + 3 H2O
3 KOH + H3PO4 → K3PO4 + 3 H2O
6 K2O + P4O10 → 4 K3PO4
b) BaCl2
BaS + CaCl2 → BaCl2 + CaS
Ba + Cl2 → BaCl2
Ba(OH)2 + FeCl2 → BaCl2 + Fe(OH)2↓
BaS + FeCl2 → BaCl2 + FeS↓