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Consider the following Gibbs energies at 25 °C

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Consider the following Gibbs energies at 25 °C.

Substance Ag (aq) Cl–(aq) AgCl(s) Br–(aq) AgBr(s)

(a) Calculate ?G°rxn for the dissolution of AgCl(s).

(b) Calculate the solubility-product constant of AgCl.

(c) Calculate ?G°rxn for the dissolution of AgBr(s).

(d) Calculate the solubility-product constant of AgBr.

Substance	Gf
Ag+	77.1
Cl-	-131.2
AgCl	-109.8
Br-	-104
AgBr	-96.9