f.6 chem的問題

2008-08-15 2:56 am
什麼是mass to change ratio (m/e) ??

回答 (2)

2008-08-15 3:11 am
✔ 最佳答案
It is using the equation : "mass ÷ charge "
Usually, we use it to calculate the relative atomic mass (R.A.M.) of an atom/ element.
Eg : a mass spectrum of chlorine gas is given and some peaks are found on
the graph eg : 1 peak at 35 and 1 peak at 37 and the ratio of these peaks are given e.g. 3:1

To calculate the RAM of Cl2
= (35 x 3 +37 x1 ) / 4
= 35.5 a.m.u.

Hope that can help you
參考: MY knowledge
2008-08-15 10:08 pm
mass to charge ratio (m/z) is physical property of molecule/ atom.

"mass" is the atomic mass / molecular mass

"charge " is the electronic charge on the atom / molecule


收錄日期: 2021-04-13 15:57:08
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080814000051KK02570

檢視 Wayback Machine 備份