MCQOPTIONS
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| 1. |
A mixture contains 80% of NaOH and 20% H2O by weight, what is the mole fraction of NaOH? |
| A. | 0.24 |
| B. | 0.42 |
| C. | 0.64 |
| D. | 0.78View answer |
| Answer» D. 0.78View answer | |