含NH3.H2O和NH4Cl的溶液1升,总浓度为0.2摩尔/L,PH=10.0

来源:百度知道 编辑:UC知道 时间:2024/09/20 18:50:10
若向溶液中加入0.01摩尔AgNO3(设V不变),求溶液中和Ag离子的浓度

说说思路就好

NH4+ + H+=OH-+Cl- 电荷守恒,H+和氢氧根已知,同时NH3.H2O=NH4+ + OH-,根据此平衡
一水合氨Kb=(OH-)*(NH4+)/NH3.H2O,Kb已知,NH4+NH3=0.2mol/L,OH已知,可算出Cl

First you to need find alpha (fractional Ag+) by using equation:

alpha(Ag+)= 1/(1+0.2K1+0.2^2K1K2)

then find [Ag+] by
[Ag+]=alpha x 0.01

End.