初中化学题

2025-05-10 05:20:45
推荐回答(1个)
回答1:

3CO+Fe2O3=2Fe+3CO2
84`````````````132
X``````````````10g
81/132=X/10
X=6.4g

注:成的气体为10g而生成的气体只有CO2所以这10g为CO2。`