An element has two isotopes. Calculate the (weighted) averag…
An element has two isotopes. Calculate the (weighted) average atomic mass using the following data.% abundance mass 72.172% 84.9117897 amu mass contribution is __1__ amu27.832% 86.9091805 amu mass contribution is __2__ amu The average atomic mass is __3__ amu.A. 84.9117897 B. 86.9091805 C. 85.471 D. 61.282537E. 24.188563 F. 6128.2537 G. 2418.8563 H. 8547.1I. answer not provided _______ _______ _______
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