-What will be observed when a magnesium ribbon is put into lemon juice?
-Write a chemical equation and an ionic equation for the above reaction.
Reaction between magnesium ribbon and lemon juice
2008-09-21 6:21 am
回答 (2)
2008-09-25 4:32 am
✔ 最佳答案
magnesium ribbon dissolves and colourless gas bubbles evolved.Chemical equation:
Mg + 2CH3COOH → (CH3COO)2Mg + H2
Ionic equation:
Mg(s) + 2H (aq) → Mg2 (aq) + H2(g)
參考: myself
2008-09-21 6:51 pm
lemon juice contains citric acid C6H8O7, which has 3 ionizable H+ ion. Colorless gas bubble(hydrogen) will be produced when Mg is put into lemon juice.
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