我想問點樣先可以分出個equation o既compounds係 aq, solid, gas or liquid?
例如 HCL點解aq?
同埋NH3(g) + H20(l) -->> NH4+ (aq) + OH-(aq) o既NH4+點解係 aq?
咩係base??
點解有D metals 唔能夠產生出precipitates?
ion同molecules有咩分別?ion係D咩o黎?
唔該大家幫幫手,我一D都唔識!!!!!!!!!!!!!!
收錄日期: 2021-04-13 00:36:18
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070316000051KK02615