某无色澄清溶液中只可能大量存在下列离子中的若干种:K+,SO4 2-,Cl-,Ca2+,H+,CO3 2-,Fe 3+小王同学取少量溶液依次进行如下实验:①向上述溶液滴加过量BaCl2溶液,有白色沉淀生成,该沉淀可完全溶
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![某无色澄清溶液中只可能大量存在下列离子中的若干种:K+,SO4 2-,Cl-,Ca2+,H+,CO3 2-,Fe 3+小王同学取少量溶液依次进行如下实验:①向上述溶液滴加过量BaCl2溶液,有白色沉淀生成,该沉淀可完全溶](/uploads/image/z/4284039-39-9.jpg?t=%E6%9F%90%E6%97%A0%E8%89%B2%E6%BE%84%E6%B8%85%E6%BA%B6%E6%B6%B2%E4%B8%AD%E5%8F%AA%E5%8F%AF%E8%83%BD%E5%A4%A7%E9%87%8F%E5%AD%98%E5%9C%A8%E4%B8%8B%E5%88%97%E7%A6%BB%E5%AD%90%E4%B8%AD%E7%9A%84%E8%8B%A5%E5%B9%B2%E7%A7%8D%EF%BC%9AK%2B%2CSO4+2-%2CCl-%2CCa2%2B%2CH%2B%2CCO3+2-%2CFe+3%2B%E5%B0%8F%E7%8E%8B%E5%90%8C%E5%AD%A6%E5%8F%96%E5%B0%91%E9%87%8F%E6%BA%B6%E6%B6%B2%E4%BE%9D%E6%AC%A1%E8%BF%9B%E8%A1%8C%E5%A6%82%E4%B8%8B%E5%AE%9E%E9%AA%8C%EF%BC%9A%E2%91%A0%E5%90%91%E4%B8%8A%E8%BF%B0%E6%BA%B6%E6%B6%B2%E6%BB%B4%E5%8A%A0%E8%BF%87%E9%87%8FBaCl2%E6%BA%B6%E6%B6%B2%2C%E6%9C%89%E7%99%BD%E8%89%B2%E6%B2%89%E6%B7%80%E7%94%9F%E6%88%90%2C%E8%AF%A5%E6%B2%89%E6%B7%80%E5%8F%AF%E5%AE%8C%E5%85%A8%E6%BA%B6)
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