Chemistry, 04.07.2019 18:30, ike9264

Afictitious element x is composed of 25.0 percent of the isotope 48x, 20.0 percent of the isotope 49x and 55.0 percent of the isotope 50x. estimate the atomic mass of element x

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Afictitious element x is composed of 25.0 percent of the isotope 48x, 20.0 percent of the isotope 49...

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