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NY_sky

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vcheung098

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NY_sky: 金币+25, 翻译EPI+1, ★★★★★最佳答案 2017-02-20 21:55:45
As solution pH value rising  there is obvious tendercy that soluble chromium(III) should become insoluble hydroxide.
2楼2017-02-19 12:31:36
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艾森思专利

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NY_sky: 金币+25, ★★★★★最佳答案 2017-02-20 21:55:53
As the pH value of  the solution increases, the cation of Cr(III) is apt to form Cr(OH)3 with the excess OH-.
3楼2017-02-19 18:53:07
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艾森思专利

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3楼: Originally posted by 艾森思专利 at 2017-02-19 11:53:07
As the pH value of  the solution increases, the cation of Cr(III) is apt to form Cr(OH)3 with the excess OH-.

这个exces可能多余了,不过Cr(OH)3可能的确在pH大于等于7时才可能存在
4楼2017-02-19 20:12:06
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