Chemistry, 04.09.2019 03:20 hosteenimport21

The element gallium has an atomic mass of 69.7 u and consists of two stable isotopes gallium-69 and gallium-71. the isotope gallium-69 has a mass of 68.9 u and a percent natural abundance of 60.4 %. the isotope gallium-71 has a percent natural abundance of 39.6 %. what is the mass of gallium-71

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The element gallium has an atomic mass of 69.7 u and consists of two stable isotopes gallium-69 and...