等体积等物质的量浓度的NaHCO3溶液和Ba(OH)2溶液混合,离子方程式正确的是
| A． HCO3－+ H+="=" H2O +CO32－ |
| B． 2HCO3－+ Ba(OH)2 ="=" BaCO3↓+2H2O +CO32－ |
| C． HCO3－+ Ba2+ + OH－="=" H2O + BaCO3↓ |
| D． 2HCO3－+ Ba2+ +2OH－="=" BaCO3↓+2H2O+CO32－ |
相关试题
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