1.Rozwiąż schemat
Ca -> CaO -> CaCl2 ->CaCO3
2.Wstaw
Ca + ... -> Ca(OH)2
CaO+ ... ->Ca(OH)2
CaCl+ ... -> Ca(OH)2
1.Rozwiąż schemat
Ca -> CaO -> CaCl2 ->CaCO3
2.Wstaw
Ca + ... -> Ca(OH)2
CaO+ ... ->Ca(OH)2
CaCl+ ... -> Ca(OH)2
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2Ca+O2-->CaO
CaO+2HCl-->CaCl2+H2O
CaCl2+H2CO3-->CaCO3[strzałka w dół] + 2HCl
Ca+2H2O-->Ca(OH)2+H2
CaO+H2O-->Ca(OH)2
CaCl2+2NaOH-->Ca(OH)2+2NaCl
1.
2Ca + O2 ----> 2CaO
CaO + 2HCl ----> CaCl2 + H2O
CaCl2 + H2CO3 ----> CaCO3↓ + 2HCl
2.
Ca + 2H2O ----> Ca(OH)2 + H2
CaO + H2O ---- Ca(OH)2
CaCl2 + 2KOH ----> Ca(OH)2 + 2KCl