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怎样量出一克的磷酸二氢钾
更新时间: 2020-11-02 00:00:00  

要想量出一克的磷酸二氢钾,可以去购花肥的商店,问老板买一个专门盛磷酸二氢钾的勺子,用这种勺子盛磷酸二氢钾,一平勺子的量刚好是一克,精确度很高。

磷酸二氢钾是一种化学品,化学式为KH2PO4。有潮解性。加热至400℃时熔化而成透明的液体,冷却后固化为不透明的玻璃状偏磷酸钾。在空气中稳定,溶于水,不溶于乙醇。

关键词: 怎样 磷酸

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