Saturday
April 19, 2014

Homework Help: Ap Chemistry

Posted by Jimmy on Tuesday, September 25, 2012 at 4:54pm.

Re has two natural occuring isotopes 185 Re and 187 Re with an average atomic mass of 186.207 amu. Re is 62.60% 187Re and the atomic mass of 187Re is 186.956 amu. What is the mass of 185 Re

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chemistry - a particle element has 2 isotopes in natural occuring mixture 47.8%...
Chemistry - I am supposed to find the percent abundancies of two isotopes. I am ...
O Chem - By knowing the natural abundance of minor isotopes, it's possible to ...
Chemistry - This Chem problem is really difficult -Need help please! Magnesium ...
Organic Chemsitry - By knowing the natural abundance of minor isotopes, it's ...
science HELP - name two elemetns that have natural occuring radioistopes?
Chemistry - An unknown element Q has two known isotopes: 60Q and 63Q. If the ...
Chemistry - An unknown element Q has two known isotopes: 60Q and 63Q. If the ...
Chemistry - An unknown element Q has two known isotopes: 61Q and 62Q. If the ...
Chem - A newly discovered element, Mysternium (Atomic symbol My) has two ...

Search
Members