(1)Cl 2;2NaOH+Cl 2=NaCl+NaClO+H 2O
(2)C;C+2H 2SO 4(浓)
CO 2↑+2SO 2↑+2H 2O (3)Cu;Cu+4H ++2NO 3 -=Cu 2++2H 2O+2NO 2↑
(4)CaCO 3;2OH -+Ca 2++2HCO 3 -=2H 2O+CaCO 3↓+CO 3 2-
(5)NH 3;Ca(OH) 2+2NH 4Cl
CaCl 2+2NH 3↑+2H 2O↑(水的气体箭头不作要求)
<>
(1)Cl 2;2NaOH+Cl 2=NaCl+NaClO+H 2O
(2)C;C+2H 2SO 4(浓)
CO 2↑+2SO 2↑+2H 2O (3)Cu;Cu+4H ++2NO 3 -=Cu 2++2H 2O+2NO 2↑
(4)CaCO 3;2OH -+Ca 2++2HCO 3 -=2H 2O+CaCO 3↓+CO 3 2-
(5)NH 3;Ca(OH) 2+2NH 4Cl
CaCl 2+2NH 3↑+2H 2O↑(水的气体箭头不作要求)
<>