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Part A) Given the two reactions H2S(aq)⇌HS−(aq)+H+(aq),  H2S(aq)⇌HS−(aq)+H+(aq),   K1K1K_1 = 9.24×10−8, and HS−(aq)⇌S2−(aq)+H+(aq),  HS−(aq)⇌S2−(aq)+H+(aq),   K2K2K_2 = 1.41×10−19, 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.   Part B)   Given the two reactions PbCl2(aq)⇌Pb2+(aq)+2Cl−(aq),  PbCl2(aq)⇌Pb2+(aq)+2Cl−(aq),   K3K3K_3 = 1.71×10−10, and AgCl(aq)⇌Ag+(aq)+Cl−(aq),  AgCl(aq)⇌Ag+(aq)+Cl−(aq),   K4K4K_4 = 1.11×10−4, what is the equilibrium constant KfinalKfinalK_final for the following reaction? PbCl2(aq)+2Ag+(aq)⇌2AgCl(aq)+Pb2+(aq)PbCl2(aq)+2Ag+(aq)⇌2AgCl(aq)+Pb2+(aq) Express your answer numerically.

Part A) Given the two reactions H2S(aq)⇌HS−(aq)+H+(aq),  H2S(aq)⇌HS−(aq)+H+(aq),   K1K1K_1 = 9.24×10−8, and HS−(aq)⇌S2−(aq)+H+(aq),  HS−(aq)⇌S2−(aq)+H+(aq),   K2K2K_2 = 1.41×10−19, 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.   Part B)   Given the two reactions PbCl2(aq)⇌Pb2+(aq)+2Cl−(aq),  PbCl2(aq)⇌Pb2+(aq)+2Cl−(aq),   K3K3K_3 = 1.71×10−10, and AgCl(aq)⇌Ag+(aq)+Cl−(aq),  AgCl(aq)⇌Ag+(aq)+Cl−(aq),   K4K4K_4 = 1.11×10−4, what is the equilibrium constant KfinalKfinalK_final for the following reaction? PbCl2(aq)+2Ag+(aq)⇌2AgCl(aq)+Pb2+(aq)PbCl2(aq)+2Ag+(aq)⇌2AgCl(aq)+Pb2+(aq) Express your answer numerically.

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.11PAE
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Part A)

Given the two reactions
  1. H2S(aq)⇌HS−(aq)+H+(aq),  H2S(aq)⇌HS−(aq)+H+(aq),   K1K1K_1 = 9.24×10−8, and
  2. HS−(aq)⇌S2−(aq)+H+(aq),  HS−(aq)⇌S2−(aq)+H+(aq),   K2K2K_2 = 1.41×10−19,
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.
 
Part B)
 
Given the two reactions
  1. PbCl2(aq)⇌Pb2+(aq)+2Cl−(aq),  PbCl2(aq)⇌Pb2+(aq)+2Cl−(aq),   K3K3K_3 = 1.71×10−10, and
  2. AgCl(aq)⇌Ag+(aq)+Cl−(aq),  AgCl(aq)⇌Ag+(aq)+Cl−(aq),   K4K4K_4 = 1.11×10−4,
what is the equilibrium constant KfinalKfinalK_final for the following reaction?

PbCl2(aq)+2Ag+(aq)⇌2AgCl(aq)+Pb2+(aq)PbCl2(aq)+2Ag+(aq)⇌2AgCl(aq)+Pb2+(aq)

Express your answer numerically.
 
 
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