![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
用水稀释0.1mol/L氨水时,溶液中随水量的增加而减少的是()
A.(OH-)/c(NH3·H2O)
B.(NH3·H2O)/ c(OH-)
C.(H+)和c(OH-)的乘积
D.OH-的物质的量
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
B、(NH3·H2O)/ c(OH-)
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.(OH-)/c(NH3·H2O)
B.(NH3·H2O)/ c(OH-)
C.(H+)和c(OH-)的乘积
D.OH-的物质的量
B、(NH3·H2O)/ c(OH-)
A.Kw逐渐变大
B.Kw逐渐变小
C.HAc稀释前后都完全解离
D.pH值随着稀释不断增大
E.Ka稀释前后不变
F.[H+]/[OH-]减小
A.c(HCl)=0.1mol/L HCl溶液
B.c(NH3)=0.1mol/L NH3·H2O溶液
C.c(HAc)=0.1mol/L HAc溶液
D.c(HAc)=0.1mol/L HAc溶液+c(NaAc)=0.1mol/L NaAc溶液
A.0.1mol/L HCl
B.1mol/L NH3·H2O
C.1mol/L HAc
D.1mol/L HAc+1mol/L NaAc
E.1mol/L NH3·H2O+1mol/L NH4Cl
A.5%,0.1mol/L
B.10%,0.1mol/L
C.5%,0.01mol/L
D.10%,0.01mol/L
A.5%,0.1mol/L
B.10%,0.1mol/L
C.5%,0.01mol/L
D.10%,0.01mol/L
A.0.1mol/L
B.0.2mol/L
C.0.4mol/L
D.0.6mol/L
A.0.1mol▪L−1NH3▪H2O能使无色酚酞试液变红色
B.0.1mol▪L−1NH4Cl的pH小于7
C.0.1 molL−1NaOH溶液的导电能力比0.1molL−1氨水的导电能力强
D.0.1mol▪L−1NH3▪H2O的pH小于13