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A vinegar and non-standard conditions enthusiast mixes a solution of acetic acid. What is the delta G of his solution of acetic acid, given the following condition?

(Ka of CH3COOH= 1.8 x 10^-5) [CH3COOH] = 1 M [CH3COO-] = 2.0 x 10^-4 pH = 4

A. 27.1 KJ/mol

B. -8.4 KJ/mol

C. 71.0 KJ/mol

D. -16.8 KJ/mol

E. 8.4 KJ/mol

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