a) chlorek magnezu
1. Mg + Cl2 -> MgCl2
2. MgO + 2HCl -> MgCL2 + H2O
3. Mg(OH)2 + 2HCL -> MgCl2 + 2H2O
4. Mg + 2HCl -> MgCL2 + H2
b) siarczek sodu
1. 2Na + S -> Na2S
2. Na2O + H2S -> Na2S + H2O
3. 2NaOH + H2S -> Na2S + 2H2O
4. 2Na + H2S -> Na2S + H2
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a) chlorek magnezu
1. Mg + Cl2 -> MgCl2
2. MgO + 2HCl -> MgCL2 + H2O
3. Mg(OH)2 + 2HCL -> MgCl2 + 2H2O
4. Mg + 2HCl -> MgCL2 + H2
b) siarczek sodu
1. 2Na + S -> Na2S
2. Na2O + H2S -> Na2S + H2O
3. 2NaOH + H2S -> Na2S + 2H2O
4. 2Na + H2S -> Na2S + H2