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1. |
8-10. Mass fraction and mole fraction are defined as the mass or mole of the interested substance divided by the total moles or mass. |
A. | n8. What is the mass fraction of Na? |
B. | 0.216 |
C. | 0.418 |
D. | 0.625 |
E. | 0.856 |
Answer» B. 0.216 | |