常温下,向IL0.1mol·L-1NH4Cl 溶液中,不断加入固体NaOH 后,NH4+与NH3·H

常温下,向IL0.1mol·L-1NH4Cl 溶液中,不断加入固体NaOH 后,NH4+NH3·H2O的浓度变化趋势如图所示(不考虑溶液体积的变化和氨的挥发),下列说法正确的是

A.M点溶液中水的电离程度比原溶液大

B.随着NaOH的加入,NH4+NH3·H2O物质的量总量减少

C.n(NaOH)=0.05mol 时,溶液中有:c(Cl-)>c(Na+)>c(NH4+)>c(OH-)>c(H+)

D.M点时,n(OH-)+0.05=a+n(H+)

答案

D

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