問題詳情
12. 一個溶液含有以下兩種緩衝系統，請問在 pH = 6.4 時，下列敘述何者為真？
(A) [H2CO3] = [HCO3–], [H2PO4–] ＞ [HPO42–]
(B) [H2CO3] = [HCO3–], [HPO42–] ＞ [H2PO4–]
(C) [H2CO3] ＞ [HCO3–], [H2PO4–] ＞ [HPO42–]
(D) [H2CO3] ＞ [HCO3–], [HPO42–] ＞ [H2PO4–]
參考答案
答案：A
難度：簡單0.8
書單：沒有書單，新增