A.澄清石灰水中滴加稀硝酸:Ca(OH)2+2H+ ="=" Ca2++2H2O |
B.向Ca(HCO3)2溶液中滴加同浓度的少量NaOH溶液: OH-+Ca2++HCO3-==CaCO3↓+H2O |
C.氢氧化铁溶于氢碘酸中:Fe(OH)3 + 3H+ ="=" Fe3+ + 3H2O |
D.在标准状况下,向10mL 0.1moL/LFeI2溶液中通入22.4mL氯气: |
2Fe2++2I-+2C12 ==2Fe3++ I2+ 4C1-
A.澄清石灰水中滴加稀硝酸:Ca(OH)2+2H+ ="=" Ca2++2H2O |
B.向Ca(HCO3)2溶液中滴加同浓度的少量NaOH溶液: OH-+Ca2++HCO3-==CaCO3↓+H2O |
C.氢氧化铁溶于氢碘酸中:Fe(OH)3 + 3H+ ="=" Fe3+ + 3H2O |
D.在标准状况下,向10mL 0.1moL/LFeI2溶液中通入22.4mL氯气: |
2Fe2++2I-+2C12 ==2Fe3++ I2+ 4C1-