Chemistry, 06.05.2021 21:00 BARRION1981

( i need this asap) An unknown element has an isotope that has a mass of 120.903 amu with 57.4 % abundance and a second isotope with a mass of 122.9042 amu.

1. Remember % has to equal 100. What is the percent abundance of isotope two?

2. Find the atomic mass of the element.

3. Identify the identity.

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( i need this asap) An unknown element has an isotope that has a mass of 120.903 amu with 57.4 % a...

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