在 1.0 dm 3 0.10 mol·dm -3 Na[Ag(CN) 2 ] 溶液中,加入 0.10 mol NaCN ,然后再加入: (1) 0.10 mol 的 NaI , (2) 0.10 mol 的 Na 2 S 。请通过计算判断这两种情况是否有沉淀生成?(已知 K 稳 (Ag(CN) 2 - ) =1.0 × 10 21 , K sp (AgI) =8.3 × 10 -17 , K sp (Ag 2 S) = 6.3 × 10 -50 )
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