Chemistry, 07.07.2019 23:00 a897coleman
An undiscovered element has three naturally occurring isotopes of x-55, x-57, and x-58. isotope x-55 has an abundance of 27.80 % and isotope x-57 has an abundance of 44.39 %. what is the average mass of this element in amu?
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An undiscovered element has three naturally occurring isotopes of x-55, x-57, and x-58. isotope x-55...
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