题目

英语翻译
1.The complex is dried at 10 mm.until it is free-flowing,leaving 150–160 g.(85–91%) of dipyridine chromium(VI) oxide3 as red crystals.2.The chromium trioxide should be added at such a rate that the temperature does not exceed 20° and in such a manner that the oxide mixes rapidly with the pyridine and does not adhere to the side of the flask.

提问时间：2021-02-22

答案

1.聚合物在10mm处被脱水.直到它能自由流动,留下150-160克.85-91%的三氧化吡啶铬(六)是红色晶体.
2.添加三氧化铬时,温度不能超过20摄氏度,氧气应和吡啶快速混合并且不能附着在烧瓶壁上.