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Show by calculations whether MnS (Ksp = 5.6 ✕ 10-16) will precipitate when a 0.01 M...

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Chemistry

Show by calculations whether MnS (Ksp = 5.6 ✕10-16) will precipitate when a 0.01 M solution ofMn+2 containing 0.02 M H+1 is saturated withH2S (0.1 M). For H2S,K1xK2 = 6.3 ✕ 10-22

a) [Mn+2][S-2] Ksp; no, aprecipitate will not form

b) [Mn+2][S-2] > Ksp; yes, aprecipitate will form     

c) [Mn+2][S-2] < Ksp; yes, aprecipitate will form

d) [Mn+2][S-2] > Ksp; no, aprecipitate will not form

Answer & Explanation Solved by verified expert
4.4 Ratings (573 Votes)
Write down the stepwise acid dissociation of H2S as below H2S aq H aq HS aq K1 HHSH2S 1 HS aq H aq S2 aq K2 HS2HS 2 For the equilibrium H2S aq 2 H aq S2 aq K    See Answer
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