求助一句英语的意思
a solution of (7?)-4-cyano-4'-(2-methylbutyl)bipbenyl (11; 165mg, 0.66 mmol) in a 5 molar solution (2mL) of KOH in 70% EtOH is heated to gentle reflux for 24 h,
这里面的a 5 molar solution (2ml) of koh in 70% EtOH 这是什么意思?
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今日热帖
a solution of (7?)-4-cyano-4'-(2-methylbutyl)bipbenyl (11; 165mg, 0.66 mmol) in a 5 molar solution (2mL) of KOH in 70% EtOH is heated to gentle reflux for 24 h,
这里面的a 5 molar solution (2ml) of koh in 70% EtOH 这是什么意思?
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5M的氢氧化钾乙醇溶液,算下来差不多是30%的氢氧化钾乙醇溶液
麻烦再问下“in 70% EtOH”是什么意思
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