有关检验氢氧化钠是否变质及CaSO4等四个问题如果用HCl,Na2CO3会与HCl反应有CO2气泡,但是气泡不是会被NaOH吸收掉么?CaSO4:我经常看到用Ca(OH)2与H2SO4反应中和酸性的例子,但是不是会生成CaSO4微溶,
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![有关检验氢氧化钠是否变质及CaSO4等四个问题如果用HCl,Na2CO3会与HCl反应有CO2气泡,但是气泡不是会被NaOH吸收掉么?CaSO4:我经常看到用Ca(OH)2与H2SO4反应中和酸性的例子,但是不是会生成CaSO4微溶,](/uploads/image/z/6171202-10-2.jpg?t=%E6%9C%89%E5%85%B3%E6%A3%80%E9%AA%8C%E6%B0%A2%E6%B0%A7%E5%8C%96%E9%92%A0%E6%98%AF%E5%90%A6%E5%8F%98%E8%B4%A8%E5%8F%8ACaSO4%E7%AD%89%E5%9B%9B%E4%B8%AA%E9%97%AE%E9%A2%98%E5%A6%82%E6%9E%9C%E7%94%A8HCl%2CNa2CO3%E4%BC%9A%E4%B8%8EHCl%E5%8F%8D%E5%BA%94%E6%9C%89CO2%E6%B0%94%E6%B3%A1%2C%E4%BD%86%E6%98%AF%E6%B0%94%E6%B3%A1%E4%B8%8D%E6%98%AF%E4%BC%9A%E8%A2%ABNaOH%E5%90%B8%E6%94%B6%E6%8E%89%E4%B9%88%3FCaSO4%EF%BC%9A%E6%88%91%E7%BB%8F%E5%B8%B8%E7%9C%8B%E5%88%B0%E7%94%A8Ca%28OH%292%E4%B8%8EH2SO4%E5%8F%8D%E5%BA%94%E4%B8%AD%E5%92%8C%E9%85%B8%E6%80%A7%E7%9A%84%E4%BE%8B%E5%AD%90%2C%E4%BD%86%E6%98%AF%E4%B8%8D%E6%98%AF%E4%BC%9A%E7%94%9F%E6%88%90CaSO4%E5%BE%AE%E6%BA%B6%2C)
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