Answer to Question #227929 in Chemistry for Aki

Question #227929

What is the pK_a of benzoic acid if K_afor benzoic acid 6.3 x 10.5?

Expert's answer

Solution:

pK_a = - log(K_a)

pK_a = - log(6.3×10^-5) = -(-4.20) = 4.20

pK_a = 4.20

Answer: The pKa of benzoic acid is 4.20

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