下列离子方程式中正确的是   A. 过量CO2通入NaOH溶液中:OH— + CO2 =

下列离子方程式中正确的是

  A. 过量CO2通入NaOH溶液中:OH CO2 = HCO3

  B. FeO溶于稀硝酸中:FeO 2H+ = Fe2+ H2O

C. Fe(OH)3溶于氢碘酸:Fe(OH)3+3H+=Fe3++3H2O

  D. 过量氨水加入AlCl3溶液中:Al3+ 3OH- = Al(OH)3

答案

A

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