Chemistry, 26.12.2019 00:31 TheViperMlg23676

On a mission to a newly discovered planet, an astronaut finds copper abundances of 69.97 % for 63cu and 31.03 % for 65cu. what is the atomic mass of copper for this location?
the mass of 63cu is 62.9300 amu . the mass of 65cu is 64.9200 amu .
express your answer to two decimal places, and include the appropriate units.

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