37. 室温下,往含 $\mathrm { C d } ^ { 2 + }$ 溶液中加入 $\mathrm { N H } _ { 3 } \cdot \mathrm { H } _ { 2 } \mathrm { O }$ 至溶液的 $\mathrm { p H } { = } 9 . 7$ ,可生成 $\mathrm { C d } ( \mathrm { O H } ) _ { 2 }$ 沉淀,则溶液中$\frac { c ( \mathrm { N H } _ { 4 } ^ { + } ) } { c ( \mathrm { N H } _ { 3 } \cdot \mathrm { H } _ { 2 } \mathrm { O } ) }$ 的比值为 o
弱电解质的电离与电离常数 · 历年高考化学真题与解析
本页汇总 高考真题检索 的「弱电解质的电离与电离常数」高考化学真题共 2 道,覆盖 2011–2026 年,最常出题型为 解答题;含完整答案与解析。
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2011–2026
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常用解题方法三段式
常见易错点水解与电离方向混淆
Core competencies应用理解
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1.等浓度的下列稀溶液:①乙酸、②苯酚、③碳酸、④乙醇,它们的pH由小
到大排列正确的是( )
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