試題詳解

10. CH₃COOH_(aq)+H2O(I)→H₃O⁺_(aq)+CH3COO^-_(aq),whichdescriptionis incorrect?
(A)K_a = [H₃O+] [CH₃COO^-]/[CH₃COOH] 
(B) pH = logK_a
(C)H₃O⁺ is the conjugate base to CH₃COOH. 
(D) The K_a value of CH₃COOH is 1.7 x 10^-5, indicating it's a kind of weak acids. 
(E)  pKa = 4.76