【简答题】
A、[NH<sub>3sub>]=0.20mol/L B、[NH<sub>3sub>]+[Ag(NH<sub>3sub>)+]+[Ag(NH<sub>3sub>)<sub>2sub>+]=0.20mol/L C、[NH<sub>3sub>]+[Ag(NH<sub>3sub>)+]+2[Ag(NH<sub>3sub>)<sub>2sub>+]=0.20mol/L D、[NH<sub>3sub>]+[Ag(NH<sub>3sub>)+]+2[Ag(NH<sub>3sub>)<sub>2sub>+]+[NH<sub>4sub>+]=0.20mol/L