Contact us
Choose a category below so we can get back to you as quickly as possible.
過氧化氫和二氧化錳制取氧氣的裝置中,錐形瓶中應該放二氧化錳長頸漏斗中應該放過氧化氫 先固後液
朋友,長頸漏斗中裝的不是水,而是過氧化氫,錐形瓶中裝二氧化錳. 如果硬要說水,那麼就是H2O2溶液中水是溶劑..僅此而已吧(個人理解)
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.