常温下,下列溶液中的粒子浓度关系正确的是( )
A.NH4Cl溶液中:c(Cl﹣)=c(NH4+)>c(OH﹣)=c(H+) |
B.Na2SO4溶液中:c(Na+)+ c(H+)=c(SO42﹣)+ c(OH﹣) |
C.NaHCO3溶液中:c(Na+)>c(HCO3﹣)>c(H+)>c(OH﹣) |
D.浓度均为0.1 mol/L的CH3COOH与CH3COONa溶液等体积混合所得溶液中:c(CH3COOH)+c(CH3COO﹣)="0.1" mol/L |
常温下,下列溶液中的粒子浓度关系正确的是( )
A.NH4Cl溶液中:c(Cl﹣)=c(NH4+)>c(OH﹣)=c(H+) |
B.Na2SO4溶液中:c(Na+)+ c(H+)=c(SO42﹣)+ c(OH﹣) |
C.NaHCO3溶液中:c(Na+)>c(HCO3﹣)>c(H+)>c(OH﹣) |
D.浓度均为0.1 mol/L的CH3COOH与CH3COONa溶液等体积混合所得溶液中:c(CH3COOH)+c(CH3COO﹣)="0.1" mol/L |
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