Chemistry, 13.03.2021 21:40, kimseokjin92

Element Z has two naturally occurring isotopes. The isotope with a mass of 10.012 amu ( 10_(Z) ) has a relative abundance of 19.91%. The isotope with a mass of 11.009 amu ( 11_ (Z) ) has a relative abundance of 80.09%. Calculate the average atomic mass of element Z. Be sure to type your work and round your answer to the correct number of significant figures.

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Element Z has two naturally occurring isotopes. The isotope with a mass of 10.012 amu ( 10_(Z) ) has...