Chemistry, 29.08.2019 19:10 brainy51

Calculating if mns would precipitate under the given circumstances (solubility product)?
hello, i have the following question! can someone show their workings? you so much in advance for all you : )
a solution contains 0,1 m ethanoic acid (ch3cooh) and 0,1 m of manganese (ii) ions.
given information: pka (ethanoic acid)= 4,75
pksp of mns = 15
pksp of h2s = 22
a) does any precipitation/sediment of manganese sulfide (mns) form, when the solution is saturated with hydrogen sulfide (h2s)?
b) a new solution contains an acetate buffer (consisting of 0,1m of ethanoic acid and 0,1 m sodium acetate), instead of the 0,1 m of ethanoic acid. can manganese sulfide (mns) precipitate under these circumstances?

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Calculating if mns would precipitate under the given circumstances (solubility product)?
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