[普化] 請問台大90學年度普化(C)

[paradise1122 (鬼吼鬼叫)]

6.A solution containing equal molar of H2PO4^- and HPO4^2- has a pH of 7.2

(b) What does the pH become if 25% of H2PO4^- is converted to HPO4^2-?

(c) What does the pH become if 25% of HPO4^2- is converted to H2PO4^-?

普化(C)的題目 對版上的高手而言 可能很簡單

請多指教 謝謝m(___              ___)m

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