下列离子方程式书写正确的是 A. 铝片放入NaOH溶液中:2Al+2OH-=2AlO

下列离子方程式书写正确的是

A. 铝片放入NaOH溶液中:2Al2OH2AlO2H2

B. 碳酸钙溶于醋酸中:CaCO32HCa2CO2H2

C. 氯气通入NaOH稀溶液中:Cl22OHClClOH2O

D. Ba(OH)2溶液与过量NaHSO4溶液混合:HSO42Ba2OHBaSO4H2O

答案

C

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