是被氧化了?
Zn+CuSO4=ZnSO4+Cu m
65 1
x 0.05
x=3.25g
把8.50g锌片放入硫酸铜溶液中,片刻后取出覆盖有铜的锌片,洗涤干燥后称得质量为8.45g.
把8.50g锌片放入硫酸铜溶液中,片刻后取出覆盖有铜的锌片,洗涤干燥后称得质量为8.45g.
求有多少克锌片被氧化了?
请说下步骤,谢谢.如果好,就加奖分.
求有多少克锌片被氧化了?
请说下步骤,谢谢.如果好,就加奖分.
其他人气：150 ℃时间：2019-10-26 07:27:20
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