H S is bubbled into a 0 4 M NaCN solution which is also 0 04

Last updated: 7/2/2023

H S is bubbled into a 0 4 M NaCN solution which is also 0 04 M in each Ag CN and Cd CN 4 2 Ksp Ag2S 10 50 Ksp CdS 7 1 10 28 K Ag CN 10 20 and K Cd CN 412 7 8 x 1018 Which of the following is incorrect CdS will precipitate first Concentration of S2 when Ag2S will precipitate is 1 6 10 9 M Concentration of S2 when CdS will precipitate is 5 76 10 1 M Ag S will precipitate first