在为1.0×10-2mol/L的溶液中,当[NH3]=0.17mol/L(pH=10)、=0.03mol/L(除掉CN与Zn2+配合以外的总浓度)时,计算和[Zn2+],问有无Zn(OH)2沉淀
A.174.24.96:6088/Latex/latex.action?latex=Q197Wm5eezIrfX0%3D'
B.0×10
-2mol/L的溶液中,当[NH
3]=0.17mol/L(pH=10)、
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C.174.24.96:6088/Latex/latex.action?latex=Q197Q05eey19fQ%3D%3D'
D.03mol/L(除掉CN与Zn
2+配合以外的总浓度)时,计算
![]()
E.174.24.96:6088/Latex/latex.action?latex=XGFscGhhIF97Wm5eezIrfX0%3D'
F.2,lg
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G.174.24.96:6088/Latex/latex.action?latex=S197Wm4oQ04pX3s0fV57Mi19fQ%3D%3D'
H.7,Zn(OH)
2的pK
sp为15.3,
![]()
I.174.24.96:6088/Latex/latex.action?latex=Wm4oTkhfezN9KV97NH1eezIrfQ%3D%3D'
J.27,4.61,7.01和9.06;
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K.174.24.96:6088/Latex/latex.action?latex=XGFscGhhIF97Wm4oT0gpX3syfX0%3D'
L.4