Phenolphthalein 和Hydronium 遇酸、碱变什么色 oxidation half reaction和reduction half reaction和conservation of mass and

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Phenolphthalein 和Hydronium 遇酸、碱变什么色 oxidation half reaction和reduction half reaction和conservation of mass and
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Phenolphthalein 和Hydronium 遇酸、碱变什么色 oxidation half reaction和reduction half reaction和conservation of mass and
Phenolphthalein 和Hydronium 遇酸、碱变什么色 oxidation half reaction和reduction half reaction和conservation of mass and

Phenolphthalein 和Hydronium 遇酸、碱变什么色 oxidation half reaction和reduction half reaction和conservation of mass and
第一个是酚酞（晕,明明读起来差很多嘛为什么我们要叫它酚酞喔）,无色,遇酸、中性溶液不变色,遇碱性溶液变红.
给个例句你记：
Any of various substances, such as litmus or phenolphthalein, that indicate the presence, absence, or concentration of another substance or the degree of reaction between two or more substances by means of a characteristic change, especially in color.
指示剂任何一种具有下列功能的物质,即能通过自身性质的变化,特别是颜色的变化来表明另一种物质的存在、消失或聚集,或可以表明两种以上的物质相互反应的程度；例如石蕊、酚酞
第二个hydronium应该属于医学范畴的词汇啦～水合氢（离子）,化学上倒是有个hydronium ion,也是水合氢离子.MS这个应该不会存在遇酸碱变色的问题吧?莫非偶翻译有误?
第三个么···汗,不太确定不过似乎直译叫做半氧化反应?
第四个不是差不多么···MS叫做半还原反应?LZ你说的这两个词是不是分别指一个氧化还原反应中的氧化反应部分和还原反应部分?
第五个conservation of mass and charge应该是质量和电荷守恒吧
就这样啦～虽然不是很好但是我已经尽力了,TAT···
Anyway,也可以去寄托家园或者CHASEDREAM上看看
顺便祝LZ考试顺利
飘走～

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