在浓cacl2溶液中通入nh3和co2可以制得纳米级碳酸钙粒子直径在1 100nm之间．如图1所示a到e为实验室常见的仪器装置请根据 Sketch Coloring Page

在浓cacl2溶液中通入nh3和co2可以制得纳米级碳酸钙粒子直径在1 100nm之间．如图1所示a到e为实验室常见的仪器装置请根据 Template

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tomski在浓cacl2溶液中通入nh3和co2可以制得纳米级碳酸钙粒子直径在1 100nm之间．如图1所示a到e为实验室常见的仪器装置请根据 coloring

在浓CaCl2溶液中通入NH3和CO2可以制得纳米级碳酸钙粒子直径在1 100nm之间．如图1所示A到E为实验室常见的仪器装置请根据 sketch template

23． 如图为持续电解含一定CaCl2水溶液的装置A为电流表电解一段时间t1后将CO2连续通入到电解液中 1请在右图中完成左图实验 sketch template

如图a为持续电解饱和CaCl2水溶液的装置电解1小时后 Cl 放电完毕图b从1小时起将CO2连续通入电解液中请在图中 电流对时间 sketch template

20．右图为持续电解饱和CaCl2水溶液的装置以铂为电极Ⓐ为电流表电解一段时间t1后将CO2连续通入电解液中请回答有关问题 1 sketch template

3．下图是实验室制取CO2的装置图在制取CO2时由于使用了较浓的盐酸因此必须用浓硫酸蒸馏水进行洗气才能得到纯净干燥的CO2试回答 sketch template

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下列叙述正确的是 A．Li在氧气中燃烧主要生成Li2O2 B．将CO2通入次氯酸钙溶液中可生成次氯酸 C．将SO2通入BaCl2溶液中可 sketch template

下图是实验室用NH3做喷泉实验的装置事先已在盛水的烧杯中加入�量酚酞溶液．回答下列问题 1收集NH3的烧瓶必须干燥的原因是． 2 sketch template

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