# Problem: 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 ΔGf                                                       Ag+                                              77.1 Cl- -131.2 AgCl -109.8 Br- -104 AgBr -96.9

###### FREE Expert Solution

$\overline{){\mathbf{\Delta G}}{{\mathbf{°}}}_{{\mathbf{rxn}}}{\mathbf{=}}{\mathbf{-}}{\mathbf{RTlnK}}}$

For AgCl

Dissolution: AgCl(s) Ag+(aq) + Cl-(aq)

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###### Problem Details

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