write the ionic equation fo the reaction betweenH2O2 and Cr(OH)4
(in alkaline )
佢地個half equation是?
Cr(OH)4^1- ------>CrO4^2-.................e-要放係那一邊?
係咪係用o.n 決定?
唔該show一show個step黎睇睇....
p.s唔好copy 舊ans= =
收錄日期: 2021-05-01 01:03:33
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https://hk.answers.yahoo.com/question/index?qid=20090908000051KK01234