October 10, 2015

Homework Help: Chemistry

Posted by Sean P. on Friday, April 16, 2010 at 7:31pm.

The element europium exists in nature as two isotopes: 151^Eu has a mass of 150.9196 amu, and 153^Eu has a mass of 152.9209 amu. The average atomic mass of europium is 151.96 amu. Calculate the relative abundance of the two europium isotopes.

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