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大懒虫1106

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其原因可能是当这些盐中的阳离子(Na+)相同时, SO42-、NO3-和CH3COO-这些阴离子中都含有氧原子,由于氧原子上的孤电子对与溶液中的水分子易形成氢键,从而增强了它们的水合能力,降低了水分子的活度,使得氨茶碱与硝普钠反应能力增强,因此吸光度随着Na2SO4、NaNO3、CH3COONa浓度的增加而增加。

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大懒虫1106

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急切求助,在线等待哦
2楼2007-11-30 11:27:59
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questwz

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The reason could be that when these cationic salt of (Na +) phase at the same time, SO42-, NO3-and CH3COO-these anions containing oxygen atoms in all, as the solitary oxygen atoms with electronic solution to the water molecules form hydrogen bonds - , thus increasing their ability to hydration, reduces the activity of water molecules, making aminophylline and sodium nitroprusside response capacity and therefore absorbance with Na2SO4, NaNO3, CH3COONa concentration increase
3楼2007-11-30 20:26:49
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lililong0

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when these cationic salt of (Na +) phase at the same time, SO42-, NO3-and CH3COO-these anions containing oxygen atoms in all, as the solitary oxygen atoms with electronic solution to the water molecules form hydrogen bonds - , thus increasing their ability to hydration, reduces the activity of water molecules, making aminophylline and sodium nitroprusside response capacity and therefore absorbance with Na2SO4, NaNO3, CH3COONa concentration increase.
4楼2007-12-02 19:39:31
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