单项选择题
A.0.2g左右 B.0.2g~0.4g C.0.4g~0.8g D.0.8g~1.6g
A.[NH3]=0.20mol/L B.[NH3]+[Ag(NH3)+]+[Ag(NH3)2+]=0.20mol/L C.[NH3]+[Ag(NH3)+]+2[Ag(NH3)2+]=0.20mol/L D.[NH3]+[Ag(NH3)+]+2[Ag(NH3)2+]+[NH4+]=0.20mol/L
A.20mL B.20.0mL C.20.00mL D.20.000mL