我想問chem,
Cu可以同以下邊種acid react?
1.dilute HCl
2.conc. HCl
3.dilute H2SO4
4.conc. H2SO4
5.very dilute HNO3
6.dilute HNO3
7.conc. HNO3
Plz ans with explanation.Thx~~
chem metal-acid問題(ce level)20分
2009-06-07 4:43 am
回答 (1)
2009-06-07 6:09 am
✔ 最佳答案
1.No reaction occurs.
2.
No reaction occurs.
3.
No reaction occurs.
4.
Reaction occurs.
Cu + 2H2SO4 → CuSO4 + 2H2O + SO2
5.
No reaction occurs.
6.
Reaction occurs.
3Cu + 8HNO3 → 3Cu(NO3)2 + 4H2O + 2NO
7.
Reaction occurs.
Cu + 4HNO3 → Cu(NO3)2 + 2H2O + 2NO2
=
收錄日期: 2021-04-29 18:22:41
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