MCQOPTIONS
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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.NaClO3 is given for the calculation. |
| 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 | |