Given the two reactions 1. H2S(aq) = HS (aq) + H+(aq), K1 = 9.15×10-8, and 2. HS (aq) = S²-(aq) + H+ (aq), K2 = 1.39×10-19, what is the equilibrium constant Kfinal for the following reaction? S2-(aq) + 2H+(aq) = H2S(aq)

Given the two reactions 1. H2S(aq) = HS (aq) + H+(aq), K1 = 9.15×10-8, and 2. HS (aq) = S²-(aq) + H+ (aq), K2 = 1.39×10-19, what is the equilibrium constant Kfinal for the following reaction? S2-(aq) + 2H+(aq) = H2S(aq)

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter5: Introduction To Chemical Equilibrium

Section: Chapter Questions

Problem 5.31E

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Question

Given the two reactions
1. H2 S(aq) = HS (aq) + H†(aq), K1 = 9.15×10-8, and
2. HS (aq) = S²-(aq) + H+(aq), K2 = 1.39×10-19,
what is the equilibrium constant Kfinal for the following reaction?
s2- (аq) + 2H* (аq)
= H2S(aq)
Enter your answer numerically.

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