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mlk008

木虫 (正式写手)

[求助] 根据溶度积常数怎么求是否有沉淀产生

25度时CaCO3的溶度积常数Ksp=8.7*10^-9,已知Ca2+浓度为1.5*10^-3mol/L,CO32-浓度约为2.8*10^-6mol/L,请问此时会产生CaCO3沉淀吗,应该怎么算,麻烦具体说下?
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061311106

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【答案】应助回帖

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mlk008: 金币+5, ★★★★★最佳答案 2013-09-09 08:30:31
两种离子浓度相乘,大于浓度积常数就会有沉淀生成。可以查阅分析化学书

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2楼2013-09-07 10:30:41
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