atomic mass

% abundance?

April 6th, 2012
abundance

% abundance?
Uranium has an equal to 238.0289. It consists of two isotopes: uranuim-235 with an isotopic mass of 235.44 amu and uranium-238 with an isotopic mass of 238.51. How do i calculate the % abundance of the   … Read more

How do you find the percent abundance when given the atomic mass?

February 10th, 2012
abundance

How do you find the when given the ?
Specifically in the following problem:

The element Boron exists as B-10 and B-11. The atomic mass of B-10 is 10.001 amu and the atomic mass of B-11   … Read more

Using Atomic mass and percent abundance, how do I determine which element this is?

December 13th, 2011
abundance

Using and , how do I determine which element this is?
I’m given three sets of information, the atomic mass and perecnt abundance, for three different naturally occuring isotopes of an unknown element. How do I   … Read more

How do you find out the fractional abundance of an isotope?

October 24th, 2011
abundance

How do you find out the fractional abundance of an isotope?
For instance: Chlorine has two naturally occurring isotopes, chlorine-35 (isotopic mass 34.9689 amu) and chlorine-37 (isotopic mass 36.9659 amu). If chlorine has an of 35.4527 amu, what   … Read more

How do you calculate the percent abundance of each copper istotope?

August 26th, 2011
abundance

How do you calculate the of each copper istotope?
Copper ( 63.5) occurs in nature in the form of two isotopes, Cu-63 and Cu-65. Calculate the percent abundance of each copper isotope.

Best answer:

Answer by   … Read more