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Ph pka lg A HA A A H PKa lg Ka Ka Ka H A HA Dec 22, 2015 · ph 和 PH 的区别是什么？ 度娘资料： pH值，亦称氢离子浓度指数、酸碱值，是溶液中氢离子活度的一种标度，也就是通常意义上溶液酸碱 程度的衡量标准。
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Ph Paper Strips有机化学中的“Ar”和“Ph”分别代表什么基团？1、Ar代表的基团是芳基。芳基是芳烃分子的芳核碳上去掉一个氢原子后，剩下一价基团的总称，通常用Ar表示。但如果在芳香基团上含有其他有效 … Oct 10 2017 nbsp 0183 32 pH pH pH pH pH pH 3 pH pH
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