Zapisz równania kolejnych reakcji: Cl2 HCl CaCl2 CaSO4 Na NaCl KCl
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2HCl + Ca -> CaCl2 + H2
CaCl2 + H2SO4 -> CaSO4 + 2 HCl
2 Na + Cl2 -> 2 NaCl
2 K + Cl2 -> 2 KCl