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小娘子丶

新虫 (初入文坛)

[求助] 关于反应NH4+=NH3+H+ 已有2人参与

反应NH4+=NH3+H+ 到底是氨水的电离还是铵离子的水解呢,然后它的平衡常数是多少?
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忠辉爵士

木虫 (正式写手)

【答案】应助回帖

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小娘子丶: 金币+2, ★★★很有帮助 2014-10-19 22:05:55
所谓电离和水解是一个意思啊。。。平衡常数约等于10^-9.24
2楼2014-10-19 17:50:38
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jiagle

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感谢参与,应助指数 +1
小娘子丶: 金币+8, ★★★★★最佳答案 2014-10-19 22:06:07
盐类的水解的本质就是酸碱电离,所以理解成电离或理解为水解是一回事。
NH4+与NH3构成共轭酸碱对关系,即NH4+的Ka乘以NH3的Kb等于Kw。
3楼2014-10-19 18:30:13
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