When K2S is added to a saturates solution of FeS, what happens to the solubility of FeS? (a) More FeS will dissolve in the solution due to the presence of additional S2- (b) there will be no change in the solubility of FeS (c) some FeS will precipitate out of the solution due to the presence of additional S2- (d) more FeS will dissolve in sultion due to the presene of K+ (e) some FeS will precipitate out of the solution due to the oresence of K+

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