Using the Given Data,determine ΔRG° at 298 K for the Precipitation

Multiple Choice

Using the given data,determine ΔrG° at 298 K for the precipitation reaction below. Ag⁺(aq) +Br−(aq) → AgBr(s)
Substance
ΔfG°(kJ/mol) at 298 K
Br−(aq)
-104.0
Ag⁺(aq)
77) 12
AgBr(s)
-96) 9

A) -70.0 kJ/mol-rxn
B) -123.8 kJ/mol-rxn
C) 70.0 kJ/mol-rxn
D) 123.8 kJ/mol-rxn
E) 84.2 kJ/mol-rxn