A buffer solution is 0.25 M CH 3 COOH-0.15 M NaCH 3 COO, saturated in H 2


A buffer solution is 0.25 M CH3COOH-0.15 M NaCH3COO, saturated in H2S (0.10 M), and with [Mn2+] = 0.15 M.

(a) Show that MnS will not precipitate from this solution (for MnS, Kspa = 3 x 107).

(b) Which buffer component would you increase in concentration, and to what minimum value, to ensure that precipitation of MnS(s) begins? Assume that the concentration of the other buffer component is held constant.

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Related Book For  answer-question

General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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