Element Y occurs in nature as two isotopes. The relative abundance of each isotope is shown in the table below:
Isotope 39Y xY
Relative abundance(%) 95.0 5.0
（39同x都寫係Y左上角）
The relative atomic mass of element Y is 39.1. Calculate the value of x.
詳細steps plz!!!
F.3 Chemistry
2007-02-28 4:42 am
回答 (2)
2007-02-28 4:47 am
✔ 最佳答案
39 times95%+X times5%=39.137.05+5%X=39.1
39.1-37.05=5%X
2.05=5%X
X=41
參考: MY SELF
收錄日期: 2021-05-03 07:13:45
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