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1. |
Average atomic mass of magnesium is 24.32 amu. This Mg is composed of 79 mole % of \[^{24}Mg\] and remaining 21 mole % of \[^{25}Mg\] and \[^{26}Mg\]. Calculate the mole % of \[^{25}Mg\] |
A. | 0.1 |
B. | 0.2 |
C. | 0.22 |
D. | 0.11 |
Answer» E. | |