問題詳情

68. A diprotic acid H2A has Ka1 = 1 x 10–4and Ka2 = 1 x 10–8. The corresponding base A2–is titrated with aqueous HCl, bothsolutions being 0.1 mol/L. Which one of the following diagrams best represents the titration curve which will be seen?
(A) 5d09c286bb22a.jpg
(B) 5d09c29aa9904.jpg
(C)5d09c2ae19aa5.jpg
(D)5d09c2c2813ab.jpg
(E)5d09c2d7c2ced.jpg



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