想请教下述英语的意思。
An ester 1a (0.1–0.5 mol) was added to ca. 15% aqueous solution containing 3 mol equivalents of sodium hydroxide.
返回小木虫查看更多
今日热帖
An ester 1a (0.1–0.5 mol) was added to ca. 15% aqueous solution containing 3 mol equivalents of sodium hydroxide.
返回小木虫查看更多
主要想知道ca.是啥意思。
ca.就是后面配的3倍摩尔量的NaOH溶液,为了前面酯的水解~
,
大约
大约的意思
ca (circa)
n. ungefähr;