orksheet 15a (Introl 10. For the reaction, ApS(s) 2Ag.(aq) + S2-(aq), K,-24 x 10

Question

orksheet 15a (Introl 10. For the reaction, ApS(s) 2Ag.(aq) + S2-(aq), K,-24 x 104 and is-1-0.002 Rates & Equilibrium 3 M. What is the [Ag'? 11. Which of the following equilibrium constants indicates the reaction that gives the smallest amount of product? a. Keq- 5x 10-10 b. Keg" 5 × 1010 e. Key" 5 × 1010 eq 12. Consider the following reaction: CH4(g) + H2O(g) CO(g) + 3H2(g) exothermic What will happen to a reaction mixture at equilibrium if: (shift left, shift right, or no effect) a. H20(g) is removed c. CO(g) is added d· The volume of the container is tripled b. The temperature is increased

Explanation / Answer

10)

Ag2S (s)<—> 2 Ag+ (aq) + S2- (aq)

Ksp= [Ag+]^2 [S2-]

2.4*10^-4 = [Ag+]^2 (0.0023)

[Ag+]^2 = 0.1043

[Ag+] = 0.323 M

Answer: 0.323 M

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