BÀI TẬP VỀ KIM LOẠI PHÂN NHÓM CHÍNH NHÓM II (IIA) 1. 2 2 o t Ca C CaC  2. 2 2 2 2 2CaC HCl CaCl C H   3.   2 2 2 2 ó vách ngan 2 2 dpdd c CaCl H O Ca OH Cl H    4.   2 2 o t Ca OH CaO H O  5. 2 3 CaO CO CaCO  6.   3 2 2 3 2 CaCO CO H O Ca HCO   7.   3 3 2 2 2 o t Ca HCO CaCO CO H O   8.     3 2 2 2 2 1 2 o t Ca NO Ca NO O  9.   3 3 3 2 2 2 2CaCO HNO Ca NO CO H O     10.   2 3 3 2 2 2CaCl AgNO Ca NO AgCl    11. 3 2 2 2 2CaCO HCl CaCl CO H O    12. 2 3 3 2 Ca H CO CaCO H     13.   2 2 2 2Ca H O Ca OH H    14.   2 3 2 2du Ca OH CO CaCO H O    15.   2 2 2 2 Ca OH Cl CaOCl H O   16. ít CO 2 2 2 2 2 ox CaOCl CaCl O   Hoặc 2 2 2 2 2CaOCl HCl CaCl H O Cl     17. 900 3 2 o C CaCO CaO CO   18.   2 2 CaO H O Ca OH  19.   2 2 2 2 ôkh Ca OH Cl CaOCl H O   20.   2 2 2 2 2CaOCl HCOOH HCOO Ca Cl H O     21.   2 4 4 2 2HCOO Ca H SO CaSO HCOOH   Để lâu ta có CaSO 4 .2H 2 O 22. 150 4 2 4 2 2 2 .2 2 . 2 o C CaSO H O CaSO H O H O  23. 2 2 dpnc CaCl Ca Cl  24. 2 2 3 3 2CaCl Na CO CaCO NaCl    25. 2 1 2 Ca O CaO  26.   2 2 CaO H O Ca OH  27.   2 3 2 2 Ca OH CO CaCO H O    28.   3 2 2 3 2 CaCO CO H O Ca HCO   29.   3 3 2 2 2 o t Ca HCO CaCO CO H O    30. 900 3 2 o C CaCO CaO CO   31.   2 3 2 2 CO Ca OH CaCO H O    32. 3 2 2 2 2CaCO HCl CaCl CO H O    33.   2 3 3 2 2 2CaCl AgNO Ca NO AgCl    34.   3 2 4 4 3 2 2Ca NO H SO CaSO HNO   Ít tan 35. 2 1 2 Ca O CaO  36. 2000 2 3 o C CaO C CaC CO   37. 2 2 4 4 2 2 CaC H SO CaSO C H   38. 600 4 4 4 o C CaSO C CaS CO   39.   3 4 3 4 2 2 3 2 3CaS H PO Ca PO H S    40.     3 4 2 4 4 2 4 2 2 2 ( ) 2Ca PO H SO d CaSO Ca H PO    Hoặc     3 4 3 4 2 4 2 2 4 3Ca PO H PO Ca H PO  41.   2 4 2 4 4 3 4 2 2Ca H PO H SO CaSO H PO    42. 2 2 dpnc MgCl Mg Cl  43. 2 1 2 Mg O MgO  44.   3 3 2 2 2MgO HNO Mg NO H O   45.   3 2 2 2 1 2 2 o t Mg NO MgO NO O   46. 2 2 2MgO HCl MgCl H O   47.   2 2 2 2MgCl NaOH Mg OH NaCl    48.     3 3 2 2 2 2 2Mg OH CH COOH CH COO Mg H O   49.   3 3 3 3 2 o t CH COO Mg MgCO CH COCH  50.   2 2 o t Mg OH MgO H O  51. 2 4 4 2 MgO H SO MgSO H O   52. 4 2 3 3 2 4 MgSO Na CO MgCO Na SO    53.   3 2 2 3 2 MgCO CO H O Mg HCO   . BÀI TẬP VỀ KIM LOẠI PHÂN NHÓM CHÍNH NHÓM II (IIA) 1. 2 2 o t Ca C CaC  2. 2 2 2 2 2CaC HCl CaCl C H   3.   2 2 2