化学问答
MATHS PHYSICS & CHEMISTRY FOR MIDDLE SCHOOL STUDENTS (SENIOR HIGH SCHOOL EDITION)（2006）
Abstract
16.某结晶水合物含有两种阳离子和一种阴离子.称取两份质量均为1.96 g的该结晶水合物,分别制成溶液.一份加入足量Ba(OH)2溶液,生成白色沉淀,随即沉淀变为灰绿色,最后带有红褐色;加热该混合物,逸出能使湿润的红色石蕊试纸变蓝的气体;用稀盐酸处理沉淀物,经洗涤和干燥,得到白色固体2.33 g.
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