常温下,将等体积,等物质的量浓度的NH4HCO3与NaCl溶液混合,   析出

常温下,将等体积,等物质的量浓度的NH4HCO3NaCl溶液混合,

  析出部分NaHCO3晶体,过滤,所得滤液pH<7。下列关于滤液中的离子浓度关系不正确的是           

  A<1.0×10-7mol/L                      Bc(Na+)= c(HCO3)+ c(CO32)+ c(H2CO3)

  Cc(H+)+c(NH4+)= c(OH)+ c(HCO3)+2 c(CO32)   Dc(Cl)> c(NH4+)> c(HCO3)> c(CO32)

答案

C

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