将a L（标准状况）CO2通入100mL 3mol·L-1 NaOH溶液中，下列各项为通入CO2过程中溶液内发生反应的离子方程式，其中不正确的是
| A．a =3.36时，CO2 + 2OH- = CO32- + H2O |
| B．a =4.48时，2CO2 + 3OH- = CO32- + HCO3- + H2O |
| C．a =6.72时，CO2 + OH- = HCO3- |
| D．a =8.96时，3CO2 + 4OH- = CO32- + 2HCO3- + H2O |
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