将一定体积的CO2通入V L NaOH溶液中,已知NaOH完全反应,若在反应后的溶液中加入足量石灰水,得到Ag沉淀;若在反应后的溶液中加入足量CaCl2溶液,得到Bg沉淀,则下列说法正确的是A.标准状况下,参加反应的CO2体积为0.224ALB.用上述数据不能确定NaOH溶液的物质的量浓度C.若A=B,则CO2与NaOH溶液反应的产物只有Na2CO3D.B可能等于A、小于A或大于A
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