CaCl2+xH2O=CaCl2·xH2O
常温下x最大一般等于6.
蒸馏前若不将它过滤,会重新释放出H2O,使蒸馏产物中不可避免地混有少量水蒸气.
5、写出无水氯化钙吸水后的化学变化方程式,为什么蒸馏前一定要将它过滤?
5、写出无水氯化钙吸水后的化学变化方程式,为什么蒸馏前一定要将它过滤?
化学人气:837 ℃时间:2020-02-02 21:15:59
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