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Chemistry, 19.11.2021 14:00 thomask34

Copper has two isotopes; 63Cu and 65Cu with the amount of 79.4% and 20.6%, respectively. Calculate the mass of 0.1 mol 63Cu if the average atomic mass of copper is 63.5 and atomic mass of 65Cu is 65.1 A. 3.5 g
B. 6.31 g
C. 15.3 g
D. 16.8 g
E. 20.2 g

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