1、答案第 1页，共 1页高三化学参考答案（东校）1-5CDADC6-10.BBCDD11-15.DBBCC16-17.DB18(1)(2)Ba(OH)2+2HCl=BaCl2+2H2O(3)NaHSO4=Na+H+2-4SO(4)H+2-4SO+2OH-+Ba2+=2H2O+BaSO419(1)+6H2O=4Fe(OH)3+2FeCl3+6NaClFe(OH)3 和FeCl3(2)6NaHCO3+Al2(SO4)3=2Al(OH)3+6CO2+3Na2SO4(3)增大(4)20(1)3HCO OHCa2=CaCO3H2O23HCO 2OHCa2=CaCO323CO2H2O(2)HOH24SO B
2、a2=BaSO4H2O2H2OH24SO Ba2=BaSO42H2O(3)3Ba26OH324SO 2Al3=2Al(OH)33BaSO4Al3224SO 2Ba24OH=2AlO2BaSO42H2O21(1)4VIB(2)FeCl3+3H2O 煮沸 Fe(OH)3(胶体)+3HCl(3)-327H V O(4)6.0110-6(5)Mn2+H2O2+2OH-=MnO2+2H2O(6)防止 pH 较大时，二价锰 Mn(II)被空气中氧气氧化，转化为 MnO2 附在 Cr(OH)3 的表面，使产物不纯#QQABSQqAoggAAAAAARgCQQUCCkCQkBGCCIgOhFAIMAAASAFABAA=#
