检验未知溶液中是否有硫酸根离子用以下试剂1.用盐酸酸化的硝酸钡溶液2.加入用盐酸酸化的氯化钡溶液3.先加盐酸酸化,再加硝酸钡溶液4.先加盐酸酸化,再加氯化钡问下,酸化后的氯化钡溶液,
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![检验未知溶液中是否有硫酸根离子用以下试剂1.用盐酸酸化的硝酸钡溶液2.加入用盐酸酸化的氯化钡溶液3.先加盐酸酸化,再加硝酸钡溶液4.先加盐酸酸化,再加氯化钡问下,酸化后的氯化钡溶液,](/uploads/image/z/11401184-56-4.jpg?t=%E6%A3%80%E9%AA%8C%E6%9C%AA%E7%9F%A5%E6%BA%B6%E6%B6%B2%E4%B8%AD%E6%98%AF%E5%90%A6%E6%9C%89%E7%A1%AB%E9%85%B8%E6%A0%B9%E7%A6%BB%E5%AD%90%E7%94%A8%E4%BB%A5%E4%B8%8B%E8%AF%95%E5%89%821.%E7%94%A8%E7%9B%90%E9%85%B8%E9%85%B8%E5%8C%96%E7%9A%84%E7%A1%9D%E9%85%B8%E9%92%A1%E6%BA%B6%E6%B6%B22.%E5%8A%A0%E5%85%A5%E7%94%A8%E7%9B%90%E9%85%B8%E9%85%B8%E5%8C%96%E7%9A%84%E6%B0%AF%E5%8C%96%E9%92%A1%E6%BA%B6%E6%B6%B23.%E5%85%88%E5%8A%A0%E7%9B%90%E9%85%B8%E9%85%B8%E5%8C%96%2C%E5%86%8D%E5%8A%A0%E7%A1%9D%E9%85%B8%E9%92%A1%E6%BA%B6%E6%B6%B24.%E5%85%88%E5%8A%A0%E7%9B%90%E9%85%B8%E9%85%B8%E5%8C%96%2C%E5%86%8D%E5%8A%A0%E6%B0%AF%E5%8C%96%E9%92%A1%E9%97%AE%E4%B8%8B%2C%E9%85%B8%E5%8C%96%E5%90%8E%E7%9A%84%E6%B0%AF%E5%8C%96%E9%92%A1%E6%BA%B6%E6%B6%B2%2C)
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