gosia182001 gosia182001 31-10-2016 Chemistry contestada 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 .
