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15问答网 > 电离程度大于水解程度的两种物质是哪两种啊

电离程度大于水解程度的两种物质是哪两种啊

2025-04-04 12:59:51

推荐回答（2个）

回答1：

在中学化学中,只需要知道以下几种情况就可以了. 1.NaHCO3溶液:HCO3-的水解程度大于电离程度,溶液呈碱性; 2.NaHSO3溶液:HSO3-的水解程度小于电离程度,溶液呈酸性; 3.NaHSO4溶液:HSO4-只电离,不水解,溶液呈酸性; 4.NaH2PO4溶液:H2PO4-的水解程度小于电离程度,溶液呈酸性; 5.Na2HPO4溶液:HPO42-的水解程度大于电离程度,溶液呈碱性; 6.在同浓度的醋酸和醋酸钠混合溶液中,醋酸的电离程度大于醋酸根的水解程度,溶液呈酸性; 7.在同浓度的氨水和氯化铵混合溶液中,一水合氨的电离程度大于铵根离子的水解程度,溶液呈碱性. 其他的情况就不需要记忆了.

回答2：

（你的表达有误）亚硫酸氢钠磷酸二氢钠

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