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wow736

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[求助] 过硫酸钾溶液的酸碱性???

请问下大家,k2S2O8(过硫酸钾或者过二硫酸钾)的溶液的pH是酸性吗???
按理说它是强酸强碱盐,应该盐溶液中性的吧?
为啥我配了以后测pH是4.1酸性呀?蟹蟹蟹蟹!

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wow736

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2楼2017-10-19 00:54:46
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wow736

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3楼2017-10-19 00:55:16
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