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请根据常见的金属活动性顺序回答:(1)解释不能用铁制容器配制硫酸铜溶液的原因(用化学方程式表示)___
请根据常见的金属活动性顺序回答:(1)解释不能用铁制容器配制硫酸铜溶液的原因(用化学方程式表示)___
2025-03-15 09:20:46
推荐回答(1个)
回答1:
(1)铁能和硫酸铜溶液反应,故不能用铁制容器配制硫酸铜溶液.反应的化学方程式为;Fe+CuSO
4
═Cu+FeSO
4
(2)将铬(Cr)插入Cu(NO
3
)
2
的溶液中,铬上有红色物质出现,说明铬能将铜从硝酸铜溶液中置换出来,故铬的活动性比铜强.
(3)要验证镁比锌的金属活动性强,我们可以选用稀盐酸或稀硫酸,根据反应的剧烈程度判断即可.还可以选择可溶性锌盐 溶液.
故答案为:(1)Fe+CuSO
4
═Cu+FeSO
4
(2)铬或Cr
(3)硫酸锌、硫酸镁、稀硫酸、盐酸等
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