Explain the ph of a buffered solution saturated with h2s

Reference no: EM13505384

what must be the pH of a buffered solution saturated with H2S ([H2S]=0.10M) be in order to precipitate PbS leaving [Pb2+]=1*10^-6M without precipitating any MnS? the original solution is 0.025 M in both Pb2+ (aq) and Mn2+ (aq). Ksp (Mns)=2.3*10^-13 and ksp (PbS)=9.04*10^-29 and Ktotal = 1.3*10^-20

Reference no: EM13505384

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