What Is the Value of D G ° _rxn for the Following

question 55

Multiple Choice

What is the value of D G ° _rxn for the following unbalanced reaction?
Mg (s) + Au³⁺ (aq) →Mg²⁺ (aq) + Au (s) E ° _red(Mg²⁺/Mg) = - 2.37 V and E ° _red(Au³⁺/Au) = 1.50 V

• A) D G ° _rxn = - 2.24×10⁶ J/mol
• B) D G ° _rxn = - 1.12×10⁶ J/mol
• C) D G ° _rxn = - 7.47×10⁵ J/mol
• D) D G ° _rxn = - 5.04×10⁵ J/mol
• E) D G ° _rxn = - 3.73×10⁵ J/mol

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