Given the two reactions H2S(aq)⇌HS−(aq)+H+(aq), H2S(aq)⇌HS−(aq)+H+(aq), K1K1K_1 = 9.78×10−8, and HS−(aq)⇌S2−(aq)+H+(aq), HS−(aq)⇌S2−(aq)+H+(aq), K2K2K_2 = 1.43×10−19, what is the equilibrium constant KfinalKfinalK_final for the following reaction? S2−(aq)+2H+(aq)⇌H2S(aq)S2−(aq)+2H+(aq)⇌H2S(aq) Enter your answer numerically.
Given the two reactions H2S(aq)⇌HS−(aq)+H+(aq), H2S(aq)⇌HS−(aq)+H+(aq), K1K1K_1 = 9.78×10−8, and HS−(aq)⇌S2−(aq)+H+(aq), HS−(aq)⇌S2−(aq)+H+(aq), K2K2K_2 = 1.43×10−19, what is the equilibrium constant KfinalKfinalK_final for the following reaction? S2−(aq)+2H+(aq)⇌H2S(aq)S2−(aq)+2H+(aq)⇌H2S(aq) Enter your answer numerically.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter16: Spontaneity Of Reaction
Section: Chapter Questions
Problem 81QAP
Related questions
Question
Given the two reactions
- H2S(aq)⇌HS−(aq)+H+(aq), H2S(aq)⇌HS−(aq)+H+(aq), K1K1K_1 = 9.78×10−8, and
- HS−(aq)⇌S2−(aq)+H+(aq), HS−(aq)⇌S2−(aq)+H+(aq), K2K2K_2 = 1.43×10−19,
S2−(aq)+2H+(aq)⇌H2S(aq)S2−(aq)+2H+(aq)⇌H2S(aq)
Enter your answer numerically.
Expert Solution
Step 1
The two given reactions are -
- H2S(aq) ⇌ HS-(aq) + H+(aq) K1 = 9.78×10−8
- HS-(aq) ⇌ S2-(aq) +H+(aq) K2 = 1.43×10−19
The equilibrium constant expression for the given reactions are -
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