NAPISZ 9 METODAMI SÓL CHLOREK WAPNIA
Odp.
Chlorek wapnia - CaCl2.
1. Ca + 2HCl =CaCl2 +H2;
2. CaO + 2HCl = CaCl2 + H2O;
3. Ca(OH)2 + 2HCl = CaCl2 +2H2O;
4. Ca +Cl2 = CaCl2
5. CaS +2HCl = CaCl2 + H2S.
6. Ca(OH)2 + MgCl2 = CaCl2 + Mg(OH)2 ;
7. CaS + MgCl2 = CaCl2 + MgS..
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Odp.
Chlorek wapnia - CaCl2.
1. Ca + 2HCl =CaCl2 +H2;
2. CaO + 2HCl = CaCl2 + H2O;
3. Ca(OH)2 + 2HCl = CaCl2 +2H2O;
4. Ca +Cl2 = CaCl2
5. CaS +2HCl = CaCl2 + H2S.
6. Ca(OH)2 + MgCl2 = CaCl2 + Mg(OH)2 ;
7. CaS + MgCl2 = CaCl2 + MgS..