问题标题：
下列溶液经反应后,溶液内含有0.5mol,NaHCO3和0.5mol,Na2CO3的是()A,0.5L,1mol/L,NaHCO3加0.5L,0.5mol/L,NaOHB,0.5L,0.75mol/L,Na2CO3加0.5L,0.5mol/L,HClC,0.5L,1mol/L,NaHCO3加0.5L,0.25mol/L,NaOHD,1L,1mol/L,Na2CO3加1L,0.5mol/L,HCl
问题描述：
下列溶液经反应后,溶液内含有0.5mol,NaHCO3和0.5mol,Na2CO3的是()
A,0.5L,1mol/L,NaHCO3加0.5L,0.5mol/L,NaOH
B,0.5L,0.75mol/L,Na2CO3加0.5L,0.5mol/L,HCl
C,0.5L,1mol/L,NaHCO3加0.5L,0.25mol/L,NaOH
D,1L,1mol/L,Na2CO3加1L,0.5mol/L,HCl
刘书志回答：
A中最后剩下NaHCO3,0.25mol和Na2CO3,0.25mol.B中最后剩下NaHCO3,0.25mol和NaCl,0.25mol和Na2CO3,0.125mol.C中最后剩下NaHCO3,0.375mol和Na2CO3,0.125molD中最后剩下NaHCO3,0.5mol和NaCl,0.5mol和Na2CO3,0.5mol选D....
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