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</h1> <div class="NewsView-title-Source"> 发布旉Q?018-11-30  来源Q? <span id="hits"><a href='//www.dhvnh.icu/news/90.html'>//www.dhvnh.icu/news/90.html</a></span> </div> <div class="NewsView-title-Content"> <br />          甲酸除去水分Q可以加无水酸铜,无水酸镁等除去水分Q这些都是化学方法,另外q有具体说明<br /> <br />    Q?Q向甲酸中滴加浓酸液体Q应通过分液漏斗加入Q所以,应该选择②装|;氢氧化钠溶液、氢氧化钙溶液都能够吸收CO中؜有的量甲酸气体Q但是氢氧化钠溶液的吸收能力比氢氧化钙溶液强Q所以,应选装|③Q?br />    Q?Q生成的一氧化x体从B中排出,从Dq入氢氧化钠溶液除去甲酸气体Q从C中排出;再从Gq入Q在加热的条件下Q一氧化原氧化铜Q气体再从H排出Q更后从Fq入氢氧化钙溶液中,验有二氧化碳生成Q所以,各A器的接口q接序为:B D C G H FQ?br />    Q?Q在加热的条件下Q氧化铜被还原成铜,所以,从开始加热到实验l束Q氧化铜_末的颜色变化ؓQ黑色变U色Q反应方E式为:CuO+CO<br />   ?nbsp;<img src="//www.dhvnh.icu/uploads/image/20181130/20181130174436_4786.jpg" alt="" /> Cu+CO2Q?br />    Q?Q由题意可知Q在该制取CO的反应中Q浓酸使甲酸脱水生成了一氧化I起到脱水的作用.<br /> 故答为:<br />    Q?Q②Q③Q?br />    Q?QB D C G H FQ?br />    Q?Q黑色变U色QCuO+CO ?img src="//www.dhvnh.icu/uploads/image/20181130/20181130174436_4786.jpg" alt="" />Cu+CO2Q?br />    Q?Q脱水?br />     <br />     排出甲酸中的水分的方法主要就是这些,大家可以Ҏ说明q行具体操作Q更多关于甲酸等相关产品信息Q将l箋为大家整理,敬请x?br /> <br /> </div> <div class="fanhui"></div> <div class="NewsView-title-Share"> <!-- Baidu Button BEGIN --> <div id="bdshare" class="bdshare_t bds_tools_32 get-codes-bdshare"> <a class="bds_qzone" title="分n到QQI间" href="#"></a> <a class="bds_tsina" title="分n到新微? 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