Chemistry

Fattykins

27 October, 10:13

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 68.7200 amu. The mass of 71Ga is 70.9200 amu.

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