已知室温时,0.01mol/L某一元酸HA在水中有0.1%发生电离,该溶液的PH为5.我想的是HA电离的氢离子浓度为1X10的-5次方,而水电离不也要电离氢离子吗?PH不该小于5吗?怎么回事呢.请高手详解一番.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 15:14:51
![已知室温时,0.01mol/L某一元酸HA在水中有0.1%发生电离,该溶液的PH为5.我想的是HA电离的氢离子浓度为1X10的-5次方,而水电离不也要电离氢离子吗?PH不该小于5吗?怎么回事呢.请高手详解一番.](/uploads/image/z/2235137-41-7.jpg?t=%E5%B7%B2%E7%9F%A5%E5%AE%A4%E6%B8%A9%E6%97%B6%2C0.01mol%2FL%E6%9F%90%E4%B8%80%E5%85%83%E9%85%B8HA%E5%9C%A8%E6%B0%B4%E4%B8%AD%E6%9C%890.1%25%E5%8F%91%E7%94%9F%E7%94%B5%E7%A6%BB%2C%E8%AF%A5%E6%BA%B6%E6%B6%B2%E7%9A%84PH%E4%B8%BA5.%E6%88%91%E6%83%B3%E7%9A%84%E6%98%AFHA%E7%94%B5%E7%A6%BB%E7%9A%84%E6%B0%A2%E7%A6%BB%E5%AD%90%E6%B5%93%E5%BA%A6%E4%B8%BA1X10%E7%9A%84-5%E6%AC%A1%E6%96%B9%2C%E8%80%8C%E6%B0%B4%E7%94%B5%E7%A6%BB%E4%B8%8D%E4%B9%9F%E8%A6%81%E7%94%B5%E7%A6%BB%E6%B0%A2%E7%A6%BB%E5%AD%90%E5%90%97%3FPH%E4%B8%8D%E8%AF%A5%E5%B0%8F%E4%BA%8E5%E5%90%97%3F%E6%80%8E%E4%B9%88%E5%9B%9E%E4%BA%8B%E5%91%A2.%E8%AF%B7%E9%AB%98%E6%89%8B%E8%AF%A6%E8%A7%A3%E4%B8%80%E7%95%AA.)
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