12. Calculate the percentage of pyridine (CsHsN) that forms pyridinium ion, C5H5NH+, in a 0.10 M aqueous solution of pyridine
,
(A) 0.77%
(B) 0.060%
(C) 0.0060%
(D) 1.6%
(E)0.013%
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統計: A(1), B(1), C(1), D(0), E(13) #2735500
統計: A(1), B(1), C(1), D(0), E(13) #2735500