A.浓度为0.1mol/l
B.浓度为1mol/l
C.含NAOH4g
D.含NAOH0.1mol
A.c(1/2Na2C03)=0.5mo1/L
B.c(Na2C03)=0.5mol/L
C.c(Na2C03)=1.Omo1/L
D.c(Na2C03)=0.1mol/L
A.1mol/L
B.2mol/L
C.0.1mol/L
D.0.01mol/ml
A.0.02mo1/L
B.0.1mol/L
C.0.5mol/L
D.0.25mo1/L
A.0.1mol/L,3.3mol/L
B.3.3mol/L,0.1mol/L
C.0.1mol/L,O.3mol/L
A.若c(NaCl)=0.2moL/L,则c(1/2NaCl)=0.4moL/L
B.若c(NaCl)=0.2mol/L,则c(1/2NaCl)=0.1mol/L
C.若c(Na2CO3)=0.1mol/L,则c(1/3NaCl)=0.3mol/L
D.若c(2Na2CO3)=0.1mol/L,则c(1/2NaCl)=0.2mol/L
E.若c(3NaCl)=0.1mol/L,则c(1/2NaCl)=0.6mol/L