我balance唔到e幾條啊 幫下我啊 step by step
1.) C2H2 + O2 ---> CO2 +H2O
2.)CuO + NH3 ---> Cu + N2 + H2O
3.)Cu(NO3)2 ---> CuO + NO2 + O2
THX
收錄日期: 2021-04-23 21:36:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080106000051KK02641