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Chemistry, 28.01.2020 17:53 campilk5

On a mission to a newly discovered planet, an astronaut finds gallium abundances of 61.29% for 69ga and 39.71% for 71ga . what is the atomic mass of gallium for this location?
the mass of 69ga is 68.7200amu . the mass of 71ga is 70.9200amu .

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On a mission to a newly discovered planet, an astronaut finds gallium abundances of 61.29% for 69ga...

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