例如, 明矾 (硫酸铝钾)是kal(so4)2·12h2o,莫尔盐(硫酸亚铁铵)是(nh4)2fe(so4)2·6h2o,铁 钾矾 (硫酸铁钾)是kfe(so4)2·12h2o。 复盐溶于水. 明矾 的化学式是kal(so4)2·12h2o,明矾还可用于制备铝盐、发酵粉、油漆、鞣料、澄清剂、媒染剂、造纸、防水剂等。在20度,1个标准大气压下,明矾在水中的 溶解度 约为5.90g。 胆. (1)kal :卡路里(简称,卡); (2)kcal:千卡(大卡); (3)j:焦耳(简称,焦); (4)kj :千焦。 单位换算 (1)1千卡 (kcal)=4.184千焦耳 (kj); (2)1千焦耳 (kj)=0.239.
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请写出明矾溶液和ba (oh)2溶液反应的方程式氢氧化钡与明矾的比例不同反映时生成的沉淀也不同小于等于1:2反应时只有baso4沉淀:kal (so4)2+2ba (oh)2=2baso4 (沉.
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