點解整standant solution 個時唔可以用NaOH???
因為佢會absorb water.....而個property 係咪同con.H2SO4一樣????
anhydrous CaCl2 都可以吸水??
Ca(OH)2 同SO2都得????
點解HCl 會form acid fume in air???
個o的其實係咩??點產生家???
唔該各位chem高手幫忙解答!!!!!
thx~~~~
收錄日期: 2021-04-15 21:44:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071221000051KK02293