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Question
What is the relationship between 
G and the GF for the reaction below?
MgF2(s) Mg2+(aq) + 2 F-(aq)
A) G = {Gf [Mg2+ (aq)] + 2 Gf [F- (aq)] - Gf [MgF2 (s)]} + RT ln ([Mg2+] [F-]2/[MgF2])
B) G = {Gf [Mg2+ (aq)] + 2 Gf [F- (aq)] - Gf [MgF2 (s)]} + RT ln ([Mg2+] [F-])2)
C) G = {Gf [Mg2+ (aq)] + 2 Gf [F- (aq)]} + RT ln ([Mg2+] [F-]2)
D) G = {Gf [Mg2+ (aq)] + 2 Gf [F- (aq)] - Gf [MgF2 (s)]} + RT ln Ksp
Answer
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