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Chemistry, 21.09.2021 07:50 SanaiHardrick
Find the average atomic mass of copper if 7 atoms out of 10 are copper-63 (70\%) and 3 atoms out of 10 are copper-65 (30\%)?
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Find the average atomic mass of copper if 7 atoms out of 10 are copper-63 (70\%) and 3 atoms out of...
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