Ask Question
12 April, 15:43

Copper has two naturally occurring isotopes, 63cu (isotopic mass 62.9296 amu) and 65cu (isotopic mass 64.9278 amu). of copper has an atomic mass of 63.546 amu, what is the percent abundance of each isotope

+2
Answers (1)
  1. 12 April, 18:12
    0
    Let x = % abundance 63Cu

    let y = % abundance 65Cu

    x + y = 100

    y = 100-x

    63.546 = [ 62.9396 x + 64.9278 (100-x) ] / 100

    6354.6 = 62.9396 x + 6492.78 - 64.9278 x

    138.18 = 1.9882 x

    x = 69.50 %

    y = 100 - 69.50 = 30.50 %
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Copper has two naturally occurring isotopes, 63cu (isotopic mass 62.9296 amu) and 65cu (isotopic mass 64.9278 amu). of copper has an atomic ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers